Published in Lab Business Week, March 12th, 2006
A group of scientists in Brazil conducted a study "to compare bone mineral density (BMD) before insertion and at 18 months of use of etonorgestrel- and levonorgestrel-releasing contraceptive implants."
"One hundred and eleven women, 19-43 years of age, were randomly allocated to two groups: 56 to etonorgestrel and 55 to levonorgestrel," explained L. Bahamondes and coauthors at the State University of Campinas in Sao Paulo.
"BMD was evaluated at the midshaft of the ulna and at the distal radius of the...
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