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Copper T IUD use and ectopic pregnancy rates in the United States

โœ Scribed by Irving Sivin


Book ID
117084424
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
876 KB
Volume
19
Category
Article
ISSN
0010-7824

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## Abstract Copper (Cu) concentrations in waterways of the United States are of widespread concern. Presently, 692 waterway segments around the United States are listed by the U.S. Environmental Protection Agency (USEPA) as having unacceptably high copper concentrations. As part of their water qual