Factors affecting compliance in the NASA/Johnson Space Center fitness programme.
Wier
L T
LT
NASA/Johnson Space Center, Houston, Texas.
Jackson
A S
AS
D015444:Exercise; D006293:Health Promotion; D006801:Humans; D010349:Patient Compliance; D010352:Patient Dropouts; D010809:Physical Fitness; D012189:Retrospective Studies; D012307:Risk Factors; D013781:Texas