@book{798815,
	author = {FORTNER, K  . and SYZMANSKI, L  .},
	title = {THE JOHNS HOPKINS MANUAL OF GYNECOLOGY & OBSTETRICS / },
	publisher = {LWW. WOLTERS, KLUWER , },
	year = {2009.},
	address = {NULL : },
	edition = {3 / }
}