title: Survey on sexual maturation on freshman at the University of North Sumatera Medan, Indonesia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003625:Data Collection; D005260:Female; D006801:Humans; D007214:Indonesia; D008297:Male; D008572:Menarche; D011627:Puberty; D012189:Retrospective Studies; D012741:Sexual Maturation