Campbell, S., & Stuart Campbell; Christoph Lees. (1990). Obstetrics by ten teachers. London,New York: Arnold,Oxford University Press.
Trích dẫn kiểu ChicagoCampbell, Stuart, và Stuart Campbell; Christoph Lees. Obstetrics By Ten Teachers. London,New York: Arnold,Oxford University Press, 1990.
Deismireacht MLACampbell, Stuart, và Stuart Campbell; Christoph Lees. Obstetrics By Ten Teachers. London,New York: Arnold,Oxford University Press, 1990.
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