[Popularizing the knowledge of eugenics and advocating optimal births vigorously].
Sun
D S
DS
D001208:Asia; D001519:Behavior; D001695:Biology; D002681:China; D003906:Developing Countries; D005053:Eugenics; D005193:Family Planning Services; D005202:Asia, Eastern; D005823:Genetics; D009042:Motivation; D011584:Psychology
Asia; Behavior; Biology; China; Developing Countries; Eastern Asia; Eugenics; Family Planning; Genetics; Motivation; Psychological Factors