Egarter, Christian.(editor) Husslein, Peter.(editor) text Austria Facultas Universitätsverlag c1988 monographic 87p. : ill. Gyneacology WQ 440 EGA 1998 3850762521 https://books.google.com.pk/books?id=16AsAAAACAAJ&dq=prostaglandins+for+cervical+ripening+and+/+or+induction+of+labour&hl=en&sa=X&redir_esc=y https://books.google.com.pk/books?id=16AsAAAACAAJ&dq=prostaglandins+for+cervical+ripening+and+/+or+induction+of+labour&hl=en&sa=X&redir_esc=y 20260128043039.0