TY  - BOOK
AU  - Kretschmer,Herman L.
TI  - American certifying boards with special reference to the board of Urology / 
PY  - 1942///?]
CY  - [Michigan : 
PB  - s.n., 
N1  - Es tirada aparte de: The Journal of Urology, v.49, nº 1, Enero, 1943, p. 127-132
ER  -