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Laboratory of Comparative Pathology, Stow, Massachusetts
Rats receiving a pyridoxine-deficient diet at weaning survived about two months, then died, showing cardiac and renal hypertrophy, myocardial lesions, cardiac dilatation, atrial thrombi and hydrothorax in a significant number of cases. The interrelationships of these lesions and their possible meaning is discussed.
Manuscript received 2 May 1960.