MEDLARS services of the National Library of Medicine. Public resource or market commodity?
作者信息
Cummings M M, Mehnert R B
出版信息
Ann Intern Med. 1982 Jun;96(6 Pt 1):772-4. doi: 10.7326/0003-4819-96-6-772.
PMID:7046544
Abstract
摘要
Cummings M M, Mehnert R B
Ann Intern Med. 1982 Jun;96(6 Pt 1):772-4. doi: 10.7326/0003-4819-96-6-772.
Zotero 插件