title: HAPR questioned.
authors.forename: J W
authors.initials: JW
authors.lastname: Keck
authors.forename: W R
authors.initials: WR
authors.lastname: Kiser
mesh_terms: D006801:Humans; D008889:Military Personnel; D009326:Naval Medicine / Q000592:standards*; D010809:Physical Fitness; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D011795:Surveys and Questionnaires / Q000592:standards*