Filho, A. P. M. (1999). Research on human subjects: International experience. WHO.
Chicago-viite (17. p.)Filho, Alberto Pellegrini Macklin. Research on Human Subjects: International Experience. Washington: WHO, 1999.
MLA-viite (8. p.)Filho, Alberto Pellegrini Macklin. Research on Human Subjects: International Experience. WHO, 1999.
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