Cita APA

Fraser, K., & Sugden, B. A. (1977). Second closed mitral valvotomy for recurrent mitral stenosis.

Chicago Style Citation

Fraser, K., i B A. Sugden. Second Closed Mitral Valvotomy for Recurrent Mitral Stenosis. 1977.

Cita MLA

Fraser, K., i B A. Sugden. Second Closed Mitral Valvotomy for Recurrent Mitral Stenosis. 1977.

Atenció: Aquestes cites poden no estar 100% correctes.