title: A field study of the choice and continuity of use of three contraceptive methods in a rural area of Thailand.
mesh_terms: D003276:Contraceptives, Oral; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D008525:Medroxyprogesterone; D013785:Thailand
chemical_list: D003276:Contraceptives, Oral; D003692:Delayed-Action Preparations; D008525:Medroxyprogesterone