TY - RPRT TI - Physiological comparisons among three maximal treadmill exercise protocols in trained and untrained individuals. AU - J Kang AU - E C Chaloupka AU - M A Mastrangelo AU - G B Biren AU - R J Robertson PY - 2001 DO - 10.1007/s004210000366 UR - https://pubmed.ncbi.nlm.nih.gov/11374112/ ID - 11374112 ER -