World Health Organization, Centers for Disease Control and Prevention, & International Clearinghouse for Birth Defects Surveillance and Research. (2014). Birth defects surveillance atlas of selected congenital anomalies. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization, Centers for Disease Control and Prevention, och International Clearinghouse for Birth Defects Surveillance and Research. Birth Defects Surveillance Atlas of Selected Congenital Anomalies. Geneva, switzerland: World Health Organization, 2014.
MLA-referens (8:e uppl.)World Health Organization, et al. Birth Defects Surveillance Atlas of Selected Congenital Anomalies. World Health Organization, 2014.
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