Heaton, T. G. (1940). Purpura Associated with Vaccination Against Smallpox.
Chicago Style CitationHeaton, T. G. Purpura Associated With Vaccination Against Smallpox. 1940.
Cita MLAHeaton, T. G. Purpura Associated With Vaccination Against Smallpox. 1940.
Atenció: Aquestes cites poden no estar 100% correctes.