TY  - BOOK
AU  - Bontrager, Kenneth L.
TI  - Textbook of radiographic positioning and related anatomy 
SN  - 978 0 323 08832 9
U1  - 616 07572 BON 
PY  - 0000///  Elsevier
CY  - St. Louis
PB  -  Missouri 
KW  - RADIOGRAPHY MEDICAL POSITIONING PROBLEMS EXERCISES ETC
ER  -