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Moura, E. R. F.; Freitas, G. L. de; Pinheiro, A. K. B.; Machado, M. M. T.; Silva, R. M. da; Lopes, M. V. de O. Lactational Amenorrhea: Nurses Experience and the Promotion of This Alternative Method of Contraception. Rev. Esc. Enferm. USP 2011, 45 (1), 40-46. https://doi.org/10.1590/S0080-62342011000100006.