Thrombosis and sex hormones: a perplexing liaison.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D012739:Gonadal Steroid Hormones / Q000009:adverse effects*; D013927:Thrombosis / Q000209:etiology*
D003276:Contraceptives, Oral; D012739:Gonadal Steroid Hormones