TY  - GEN
AU  - Vernon,S
TI  - A self help maneuver in angina
SN  - 0010-6178
PY  - 1987///0330
KW  - Abdominal Muscles
KW  - Angina Pectoris
KW  - therapy
KW  - Humans
KW  - Muscle Contraction
N1  - Publication Type: Letter
ER  -