LIU D.T.Y. [red.] 547,220 Chorion villus sampling / ed. by D.T.Y. Liu, E[dwin] Mfalcolm] Symonds and M[itchell] S. Golbus. - Chicago ; London : Year Book Medical Publ., Inc., [1987]. - VII, 362 s.i il.; lk.tabl. ; 24 cm ISBN 0-8151-5507-7