TY - RPRT TI - A simple, valid step test for estimating maximal oxygen uptake in epidemiologic studies. AU - S F Siconolfi AU - C E Garber AU - T M Lasater AU - R A Carleton PY - 1985 DO - 10.1093/oxfordjournals.aje.a114010 UR - https://pubmed.ncbi.nlm.nih.gov/4014128/ ID - 4014128 ER -