[Use of contraceptives in women under 18: data of the Center for Family Planning, University of Rome].
Calzolari
E
E
Bartoleschi
A
A
Nicolaci
F
F
D000293:Adolescent; D000367:Age Factors; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D005193:Family Planning Services; D007722:Health Knowledge, Attitudes, Practice; D008572:Menarche; D008597:Menstrual Cycle; D008598:Menstruation; D011153:Population; D011154:Population Characteristics; D012098:Reproduction; D012106:Research
Adolescents; Adolescents, Female; Age Factors; Clinical Research; Contraception; Contraceptive Usage; Demographic Factors; Family Planning; Menarche; Menstrual Cycle; Menstruation; Population; Population Characteristics; Previous Practice; Reproduction; Research Methodology; Youth