National Library of Medicine. Index medicus.
芝加哥风格引文National Library of Medicine. Index Medicus.
MLA引文National Library of Medicine. Index Medicus.
警告：这些引文格式不一定是100％准确.
APA引文
National Library of Medicine. Index medicus.
芝加哥风格引文National Library of Medicine. Index Medicus.
MLA引文National Library of Medicine. Index Medicus.