Citação norma APA

(2001). Increased risk of thrombosis with third generation oral contraceptives is real. BMJ.

Citação norma Chicago

Increased Risk of Thrombosis With Third Generation Oral Contraceptives Is Real. BMJ, 2001.

Citação norma MLA

Increased Risk of Thrombosis With Third Generation Oral Contraceptives Is Real. BMJ, 2001.

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