AU  - Benzon HT
TI  - ILlustrated manual of regional anesthesia
PT  - JOUR
DP  - 1989
TA  - JAMA
pages = {839-840},
VI  - 262
IP  - 6
AID  - 10.1001/jama.1989.03430060139044 [doi]
4100  - http://dx.doi.org/10.1001/jama.1989.03430060139044
SO  - JAMA August 11, 1989 262(6):839