Estats Units. Department of Health, E. (1979). HEW support of research involving human in vitro fertilization and embryo transfer. US Government Printing Office.
Cita Chicago Style (17a ed.)Estats Units. Department of Health, Education. HEW Support of Research Involving Human in Vitro Fertilization and Embryo Transfer. Washington, D.C.: US Government Printing Office, 1979.
Cita MLA (9a ed.)Estats Units. Department of Health, Education. HEW Support of Research Involving Human in Vitro Fertilization and Embryo Transfer. US Government Printing Office, 1979.
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