| Literature DB >> 975833 |
A B Johnson, R F Maness, R G Wheeler.
Abstract
Entities:
Keywords: Clinical Research; Contraception; Contraceptive Methods--side effects; Copper; Family Planning; In Vitro; Ingredients And Chemicals; Inorganic Chemicals; Iud Material; Iud, Unmedicated; Iud--side effects; Metals; Polyethylene; Polymers; Research Methodology
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Year: 1976 PMID: 975833 DOI: 10.1016/0010-7824(76)90002-0
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375