[Scholastic progress and behavior of 14-year-old students with various degrees of sex maturation].
Ignar-Golinowska
B
B
D000293:Adolescent; D000294:Adolescent Behavior; D004522:Educational Status; D005260:Female; D006801:Humans; D008297:Male; D011044:Poland; D012737:Sex Factors; D012741:Sexual Maturation
Postepy szkolne i zachowanie uczniów czternastoletnich o róznym stopniu zaawansowania w dojrzewaniu.