Collier, R. (2012). Surge in Down syndrome prenatal testing anticipated. Canadian Medical Association.
Chicago ZitierstilCollier, Roger. Surge in Down Syndrome Prenatal Testing Anticipated. Canadian Medical Association, 2012.
MLA ZitierstilCollier, Roger. Surge in Down Syndrome Prenatal Testing Anticipated. Canadian Medical Association, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.