TY - RPRT TI - Skeletal muscle substrate metabolism during exercise: methodological considerations. AU - G van Hall AU - J González-Alonso AU - M Sacchetti AU - B Saltin PY - 1999 DO - 10.1017/s0029665199001202 UR - https://pubmed.ncbi.nlm.nih.gov/10817157/ ID - 10817157 ER -