Some field problems in follow-up surveys: a study of IUD acceptor.
Talwar
P P
PP
Singh
R P
RP
D001208:Asia; D001210:Asia, Southeastern; D003267:Contraception; D001330:Electronic Data Processing; D005193:Family Planning Services; D005500:Follow-Up Studies; D006287:Health Planning Guidelines; D006792:House Calls; D007194:India; D007407:Interviews as Topic; D007434:Intrauterine Devices; D011996:Records; D015203:Reproducibility of Results; D012106:Research; D012107:Research Design; D012108:Research Personnel; D013812:Therapeutics