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Simplifying NFP: preliminary report of a pilot study of the 'collar' method in Brazil
A. Faundes, V. Lamprecht, M.J. Osis, B.C. LopesVolume:
13
Language:
english
Pages:
5
DOI:
10.1023/a:1006547820310
Date:
June, 1997
File:
PDF, 92 KB
english, 1997