Cita APA

Hughes, L. E., & Campbell, H. (1975). Letter: Low-dose heparin and prevention of venous thromboembolic disease.

Chicago Style Citation

Hughes, L E., i H. Campbell. Letter: Low-dose Heparin and Prevention of Venous Thromboembolic Disease. 1975.

Cita MLA

Hughes, L E., i H. Campbell. Letter: Low-dose Heparin and Prevention of Venous Thromboembolic Disease. 1975.

Atenció: Aquestes cites poden no estar 100% correctes.