Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Danish
Dutch
English
Estonian
French
German
Greek
Hungarian
Italian
Latvian
Lithuanian
Polish
Portuguese
Romanian
Russian
Slovak
Slovene
Spanish
G
o
o
g
l
e
|
Forvo
|
+
Purified Protein Derivative
immunol., abbr.
PPD
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
