TY  - RPRT
TI  - Propranolol abuse or performer's maturation?
AU  - C Swartz
PY  - 1978
DO  - 10.1016/s0140-6736(78)91848-2
UR  - https://pubmed.ncbi.nlm.nih.gov/82129/
ID  - 82129
ER  -