TY  - RPRT
TI  - Serum enzyme changes during marathon training.
AU  - F S Apple
AU  - M K McGue
PY  - 1983
DO  - 10.1093/ajcp/79.6.716
UR  - https://pubmed.ncbi.nlm.nih.gov/6846261/
ID  - 6846261
ER  -