TY  - BOOK
AU  - Frocog, D.T.Y.
AU  - Frog, E.M. Symonds.
AU  - Golbus, M.S.
TI  - Chorion Villus sampling
SN  - 0815155077
PY  - 1987///
CY  - Chicago
PB  - Year Book Medical Publishers
KW  - Chorionic Villi
KW  -  Biopsy
KW  - Fetus
KW  -  Abnormalities
KW  -  Diagnosis
KW  - Prenatal Diagnosis
KW  - Pregnancy
KW  -  Trimester, First
N1  - Includes bibliographies
ER  -