Chorion Villus Sampling - D. T. Y. Liu, E.M. Symonds, M.S. Golbus - książka wyd. 1987

Chorionic villus sampling (CVS) is a prenatal test in which a sample of chorionic villi is taken from the placenta to be tested. The sample can be collected through the cervix (through the cervix) or through the abdominal wall (transabdominal).