Random triples
| Subject | Object | 
|---|---|
| gptkb:Estrogen-progestogen_oral_contraceptives | history of thromboembolism | 
| gptkb:Estrogen-progestogen_oral_contraceptives | smokers over 35 | 
| Subject | Object | 
|---|---|
| gptkb:Estrogen-progestogen_oral_contraceptives | history of thromboembolism | 
| gptkb:Estrogen-progestogen_oral_contraceptives | smokers over 35 |