003100000a22001210004500060000800000082001700008100002000025245005100045260002600096260000900122300000800131650004900139  a100  a574.2 CHE.01  aCheng, Thomas C  aCurrent topics in comparative pathobiology V 1  aU S A, Academic press  c1971  a251  aInsect integuments- diseases fish- neoplasia