(Q40332507)
Statements
1 reference
The multi-facets of tuberculin standardization (English)
S. Landi
2 references
H. R. Held
2 references
K. C. Gupta
2 references
2 references
1 January 1975
1 reference
1 reference
29
1 reference
393-411
1 reference
Identifiers
2 references