| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Accidental ferrous sulfate poisoning | Causative agent | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Intentional ferrous sulphate poisoning | Causative agent | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| förgiftning orsakad av järn(II)sulfat, med oklar avsikt | Causative agent | False | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate adverse reaction | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Allergy to ferrous sulfate | Causative agent | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate overdose | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Accidental ferrous sulphate overdose | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Intentional ferrous sulphate overdose | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| överdos av järn(II)sulfat, med oklar avsikt | Causative agent | False | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate 200 mg oral tablet | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate 60mg/5mL pediatric oral solution BP | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate 300mg tablet | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 150 mg, kapsel med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 325 mg, tablett med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 116 mg/ml, droppar | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 160 mg, tablett med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 30 mg/5 ml, oral lösning för pediatriskt bruk | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Poisoning by ferrous sulfate | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing ferrous sulfate (medicinal product) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| järn(II)sulfat 150 mg + folsyra 500 mikrogram, kapsel med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 325 mg + folsyra 350 mikrogram, tablett med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 160 mg + folsyra 400 mikrogram, tablett med modifierad frisättning | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate 300 mg oral tablet | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Accidental ferrous sulfate poisoning | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Intentional ferrous sulphate poisoning | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing ferrous sulfate and folic acid (medicinal product) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing ascorbic acid and ferrous sulfate (medicinal product) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Allergy to ferrous sulfate | Causative agent | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate heptahydrate (substance) | Is a | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate 200 mg oral tablet | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate 200 mg oral tablet | Has basis of strength substance (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate 300 mg oral tablet | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate 300 mg oral tablet | Has basis of strength substance (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate sesquihydrate (substance) | Is a | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 325 mg + folsyra 350 mikrogram, depåtablett | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 160 mg + folsyra 400 mikrogram, depåtablett | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 160 mg, depåtablett | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 325 mg, depåtablett | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| järn(II)sulfat 150 mg, depåkapsel | Has active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Ferrous sulfate 300 mg oral tablet | Has precise active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate 200 mg oral tablet | Has precise active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing ferrous sulfate in oral dose form (medicinal product form) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 150 milligram and folic acid 500 microgram/1 each prolonged-release oral capsule (clinical drug) | Has basis of strength substance (attribute) | False | Ferrous sulfate (substance) | Inferred relationship | Some | 2 | 
| Product containing precisely ferrous sulfate 150 milligram and folic acid 500 microgram/1 each prolonged-release oral capsule (clinical drug) | Has precise active ingredient | False | Ferrous sulfate (substance) | Inferred relationship | Some | 2 | 
| Ferrous sulfate heptahydrate (substance) | Is modification of (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Product containing ferrous sulfate and folic acid in oral dose form (medicinal product form) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing only ascorbic acid and ferrous sulfate (medicinal product) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing only ferrous sulfate (medicinal product) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate and folic acid only product | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate only product in oral dose form | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing only ferrous sulfate and folic acid in oral dose form (medicinal product form) | Has active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Ferrous sulfate sesquihydrate (substance) | Is modification of (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some |  | 
| Product containing precisely ferrous sulfate 116 milligram/1 milliliter conventional release oral solution (clinical drug) | Has basis of strength substance (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 116 milligram/1 milliliter conventional release oral solution (clinical drug) | Has precise active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 325 milligram/1 each prolonged-release oral tablet (clinical drug) | Has basis of strength substance (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 325 milligram/1 each prolonged-release oral tablet (clinical drug) | Has precise active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 150 milligram and folic acid 500 microgram/1 each prolonged-release oral capsule (clinical drug) | Has basis of strength substance (attribute) | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 | 
| Product containing precisely ferrous sulfate 150 milligram and folic acid 500 microgram/1 each prolonged-release oral capsule (clinical drug) | Has precise active ingredient | True | Ferrous sulfate (substance) | Inferred relationship | Some | 1 |