Grauer, S. E., & Schwartz, S. I. (1979). Extrahepatic portal hypertension: A retrospective analysis.
Chicago Style aipamenaGrauer, S E., and S I. Schwartz. Extrahepatic Portal Hypertension: A Retrospective Analysis. 1979.
MLA aipamenaGrauer, S E., and S I. Schwartz. Extrahepatic Portal Hypertension: A Retrospective Analysis. 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.