(Q39664685)
Statements
1 reference
Urban-rural variations in tuberculin sensitivity (English)
1 reference
PECK WM
1 reference
WELLS HB
1 reference
ABERNATHY JR
1 reference
CAMPBELL JA
1 reference
W. M. PECK
H. B. WELLS
J. R. ABERNATHY
1 November 1961
1 reference
1 reference
84
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669-679
1 reference
Identifiers
1 reference