TY  - BOOK
AU  - Schad,Nikolaus
TI  - Differential diagnosis of congenital heart diseases: a roentgenographic, electrocardiographic, and phonocardiographic treatise
PY  - 1966///
CY  - Philadelphia
PB  - Grune & Stratton
KW  - Heart Defects, Congenital
KW  - diagnosis
ER  -