Implication for student's sex education in Korea.
D000293:Adolescent; D000367:Age Factors; D001208:Asia; D001290:Attitude; D001519:Behavior; D003142:Communication; D003267:Contraception; D003268:Contraception Behavior; D003625:Data Collection; D003710:Demography; D003906:Developing Countries; D004493:Education; D005193:Family Planning Services; D005202:Asia, Eastern; D007722:Health Knowledge, Attitudes, Practice; D019359:Knowledge; D007723:Korea; D011153:Population; D011154:Population Characteristics; D011584:Psychology; D012106:Research; D012494:Sampling Studies; D012574:Schools; D012737:Sex Factors; D012725:Sexual Behavior
Adolescents; Age Factors; Asia; Attitude; Behavior; Communication; Comparative Studies; Contraception; Contraceptive Usage; Demographic Factors; Developing Countries; Eastern Asia; Education; Family Planning; Knowledge; Knowledge Sources; Korea; Korea, Republic Of; Population; Population Characteristics; Primary Schools; Psychological Factors; Research Methodology; Research Report; Sampling Studies; Schools; Secondary Schools; Sex Behavior; Sex Factors; Studies; Surveys; Youth