TY - BOOK AU - Bajaj Archana AU - Batra S Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology ED - University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology TI - Evaluation of transcervical aspiration technique for chronic villi biopsy in first trimester of pregnancy PY - 1985/// CY - Delhi PB - University of Delhi India KW - WOMEN - DISEASES ER -