@book{135887,
	author = {I. Benagiano, Giuseppe, ed. II. Zulli, Pietro, ed. III. Diezfalusy, Egon, ed},
	title = {Progestogens in therapy /},
	publisher = {Editorial Raven Press},
	series = {Serono Symposi a Publications From Raven Press;},
	address = {New York :}
}