TY  - BOOK
AU  - BALLWEG   RUTH
TI  - PHYSICIAN ASSISTANT: A GUIDE TO CLINICAL PRACTICE
SN  - 9780323401128
AV  - R697   .P45   2018 
PY  - 2018///
CY  - CHINA
PB  - ELSEVIER
N1  - include bibliographical reference and index
ER  -