Endemic nephropathy. Proceedings of the Second International Symposium on Endemic Nephropathy. Sofia, November 9-11, 1972.
Card's contents:524,343 PUCHLEV A. /red./ Endemic nephropathy. Proceedings of the Second International Symposium on Endemic Nephropathy. Sofia, November 9-11, 1972. Ed. by: A. Puchlev, ed.-in-chief. Sofia 1974 8° s. 343, nlb. 1, ilustr. Bulgarian Academy of Sciences /Druga k.tyt. w jęz. bułg./