TY - RPRT TI - Exercise-training protocols for astronauts in microgravity. AU - J E Greenleaf AU - R Bulbulian AU - E M Bernauer AU - W L Haskell AU - T Moore PY - 1989 DO - 10.1152/jappl.1989.67.6.2191 UR - https://pubmed.ncbi.nlm.nih.gov/2691487/ ID - 2691487 ER -