@book{627,
	author = {Berek, Jonathan S. and Hillard, Paula A.},
	title = {Ginecología de Novak /  },
	publisher = {McGraw-Hill Interamericana;},
	year = {1997.},
	address = {México: },
	edition = {12a ed.},
	note = {Berek, J. S., Hillard, P. A. y Adashi, E. Y. (1997). Ginecología de Novak. (12a ed.). México : McGraw-Hill Interamericana.}
}