Citação norma APA

(1998). Case-control study of risk of cerebral sinus thrombosis in oral contraceptive users who are carriers of hereditary prothrombotic conditions. BMJ.

Citação norma Chicago

"Case-control Study of Risk of Cerebral Sinus Thrombosis in Oral Contraceptive Users Who Are Carriers of Hereditary Prothrombotic Conditions." BMJ 1998.

Citação norma MLA

"Case-control Study of Risk of Cerebral Sinus Thrombosis in Oral Contraceptive Users Who Are Carriers of Hereditary Prothrombotic Conditions." BMJ 1998.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.