Abstract
Summary
The serum lipoprotein patterns of immature rabbits were determined by ultra-centrifugation at a density of 1.21. Two main peaks were resolved: one at -S 35 (20-40) and another at -S 7 (1-10). After castration, these animals were treated with diethylstilbestrol and with testosterone. Only testosterone altered significantly and regularly the lipoprotein pattern by the appearance of two abnormal components; one, -S > 70 and the second, -S (40-70); both disappeared on cessation of treatment.
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