Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Arabic
Basque
Bulgarian
Catalan
Croatian
Czech
Danish
Dutch
English
Estonian
Finnish
French
German
Greek
Hungarian
Irish
Italian
Latvian
Lithuanian
Maltese
Norwegian Bokmål
Polish
Portuguese
Romanian
Russian
Slovak
Slovene
Spanish
Swedish
Turkish
Ukrainian
Terms
for subject
Life sciences
containing
历史
|
all forms
|
in specified order only
Chinese
English
历史
对照研究
historical control trial
Get short URL
