title: Menstruation in adolescents: what's normal?
authors.affiliation: Stanford University Medical Center, Stanford, California, USA. paula.hillard@stanford.edu
authors.forename: Paula J
authors.initials: PJ
authors.lastname: Adams Hillard
mesh_terms: D000293:Adolescent; D017677:Age Distribution; D000367:Age Factors; D001699:Biometry / Q000379:methods*; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D012016:Reference Values; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014481:United States / Q000453:epidemiology