title: Research incentives: money versus gifts.
authors.affiliation: University of Pittsburgh, School of Nursing, PA.
authors.forename: E B
authors.initials: EB
authors.lastname: Rudy
authors.forename: P J
authors.initials: PJ
authors.lastname: Estok
authors.forename: M E
authors.initials: ME
authors.lastname: Kerr
authors.forename: L
authors.initials: L
authors.lastname: Menzel
mesh_terms: D000328:Adult; D016009:Chi-Square Distribution; D003299:Cooperative Behavior; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008597:Menstrual Cycle; D009042:Motivation; D015399:Nursing Research / Q000379:methods* / Q000706:statistics & numerical data; D012420:Running; D011795:Surveys and Questionnaires