1. The clinical use of amniocentesis and amniotic fluid analysis in obstetrics;Cherry;Bull. Sloane Hosp. Wom. N.Y.,1967
2. The importance of placental localization preceding amniocentesis;Curtis;Obstet. and Gynec.,1972
3. Possible immunological implications of amniocentesis;Fairweather;Lancet,1963
4. The control of Rh disease;Freda;Hosp. Pract.,1967