title: [Attempt to evaluate a contraceptive method using fuzzy mathematics: a study on the acceptability of Norplant].
mesh_terms: D001208:Asia; D002681:China; D003267:Contraception; D003710:Demography; D003906:Developing Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005202:Asia, Eastern; D015993:Life Tables; D012106:Research
keywords: Asia; China; Contraception; Contraceptive Effectiveness; Critique; Demographic Analysis; Developing Countries; Eastern Asia; Evaluation; Evaluation Methodology; Family Planning; Life Table Method; Research Methodology