title: Why do young women (donors) faint?
authors.forename: Qi
authors.initials: Q
authors.lastname: Fu
authors.forename: Benjamin D
authors.initials: BD
authors.lastname: Levine
mesh_terms: D000328:Adult; D001782:Blood Donors; D004244:Dizziness / Q000209:etiology / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D012737:Sex Factors; D013575:Syncope / Q000209:etiology / Q000503:physiopathology*; D013610:Tachycardia / Q000209:etiology / Q000503:physiopathology