@book{87467,
	author = {Kretschmer, Herman L.},
	title = {Malignant tumors of the kidney in children / },
	publisher = {s.n., },
	year = {1938?]},
	address = {[S.l. : },
	note = {Es separata de: The Journal of Urology, vol. 39, nº3, march, 1938, p. 250-275.}
}