information about Purified protein derivative field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 50.4M papers | Pathology 9.2M papers | Tuberculosis 385k papers | Mycobacterium tuberculosis 104k papers |
Tuberculin 19.7k papers | |||
| Current | |||
Purified protein derivative 740 papers | |||
| Child | |||
Dermatophytin 0 papers | PPD positive 0 papers | Positive ppd 0 papers | Ppd negative 0 papers |
Tuberculin PPD 0 papers | Tuberculin Unit 0 papers | Negative PPD 0 papers | |
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History