00353nam a22001337a 4500008004100000020001500041082001500056245002800071260004000099300001500139650001400154650001400168650003700182220228b           ||||| |||| 00| 0 eng d  a0812100220  a616.07 BOY  aA textbook of pathology  aPhiladelphia:bLEA & Febiger,c1949  a1463p.bHB  aPathology  a Diseases  aCauses and theories of causation