American Academy of Pediatrics Committee on, Adolescence; American College of Obstetricians and Gynecologists Committee on Adolescent Health, Care; Diaz, A; Laufer, MR; Breech, LL (2006). „Menstruation in girls and adolescents: using the menstrual cycle as a vital sign.”. Pediatrics. 118 (5): 2245—50. PMID17079600. S2CID37802775. doi:10.1542/peds.2006-2481.
American Academy of Pediatrics Committee on, Adolescence; American College of Obstetricians and Gynecologists Committee on Adolescent Health, Care; Diaz, A; Laufer, MR; Breech, LL (2006). „Menstruation in girls and adolescents: using the menstrual cycle as a vital sign.”. Pediatrics. 118 (5): 2245—50. PMID17079600. S2CID37802775. doi:10.1542/peds.2006-2481.
American Academy of Pediatrics Committee on, Adolescence; American College of Obstetricians and Gynecologists Committee on Adolescent Health, Care; Diaz, A; Laufer, MR; Breech, LL (2006). „Menstruation in girls and adolescents: using the menstrual cycle as a vital sign.”. Pediatrics. 118 (5): 2245—50. PMID17079600. S2CID37802775. doi:10.1542/peds.2006-2481.