Specialization in obstetrics and gynecology--changing standards.
作者信息
Merrill J A
机构信息
American Board of Obstetrics and Gynecology, Inc., Seattle, WA 98103.
出版信息
Am J Obstet Gynecol. 1993 Apr;168(4):1063-70. doi: 10.1016/0002-9378(93)90348-m.
PMID:8475952
Abstract
摘要
Zotero 插件