title: [The changes of guaiacol peroxidase activity in the menstrual plasma of stainless steel IUD users and women with chronic pelvic inflammatory disease].
authors.forename: R X
authors.initials: RX
authors.lastname: Li
mesh_terms: D001208:Asia; D001695:Biology; D055598:Chemical Phenomena; D002621:Chemistry; D002681:China; D003267:Contraception; D003274:Contraceptive Devices, Female; D003906:Developing Countries; D004194:Disease; D004798:Enzymes; D005193:Family Planning Services; D005202:Asia, Eastern; D007239:Infections; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D008670:Metals; D000292:Pelvic Inflammatory Disease; D010827:Physiology; D012106:Research; D013193:Stainless Steel
chemical_list: D004798:Enzymes; D007287:Inorganic Chemicals; D008670:Metals; D013193:Stainless Steel
keywords: Asia; Biology; China; Comparative Studies; Contraception; Contraceptive Methods--side effects; Developing Countries; Diseases; Eastern Asia; Enzymes And Enzyme Inhibitors; Enzymes--analysis; Family Planning; Infections; Ingredients And Chemicals; Inorganic Chemicals; Iud--side effects; Metals; Pelvic Infections; Physiology; Research Methodology; Stainless Steel; Studies; Vaginal Rings--side effects