Campbell, M. (1973). Incidence of cardiac malformations at birth and later, and neonatal mortality.
Chicago Style aipamenaCampbell, M. Incidence of Cardiac Malformations At Birth and Later, and Neonatal Mortality. 1973.
MLA aipamenaCampbell, M. Incidence of Cardiac Malformations At Birth and Later, and Neonatal Mortality. 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.