Multiply by a billion:  a glimpse of China's population.
D002681:China; D003268:Contraception Behavior; D005193:Family Planning Services; D006285:Health Planning; D016730:Program Development; D012940:Social Problems; D013246:Sterilization, Tubal; D013523:Surgical Equipment
China; Contraceptive Methods Chosen; Family Planning; Family Planning Programs; Field Report; Social Problems; Surgical Equipment; Tubal Ligation