519,979 RESNEKOV LEON /red./ The medical clinics of North America. Philadelphia 1973 W.B.Saunders Company 8° Vol.57. Nr 1. January 1973. Symposium on Coronary Heart Disease. Leon Resnekov,guest ed. s.XI,nlb. 1,261,ilustr. Vol.57. Nr 2. March 1973. Symposium on Clinical Signs of Blood Disease. Arnold D. Rubin, guest ed. s.IX,nlb.1,263-544,ilustr.