Coldrey, E. (1952). Stomach Tube in Trachea.
Chicago Style aipamenaColdrey, Eric. Stomach Tube in Trachea. 1952.
MLA aipamenaColdrey, Eric. Stomach Tube in Trachea. 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Coldrey, E. (1952). Stomach Tube in Trachea.
Chicago Style aipamenaColdrey, Eric. Stomach Tube in Trachea. 1952.
MLA aipamenaColdrey, Eric. Stomach Tube in Trachea. 1952.