TY  - BOOK
AU  - Bartrum,Royal J.
AU  - Crow,Harte C.
TI  - Gray-scale ultrasound: a manual for physicians and technical personnel 
SN  - 9780721615486
PY  - 1977///
CY  - Philadelphia
PB  - Saunders
KW  - Ultrasonography
N1  - Bibliography: p. 203-212
ER  -