Mark A Perez

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Shortened gestation is a major cause of infant mortality and morbidity. Evidence from both human and animal studies suggests that essential fatty acids of the n-6 and n-3 series play important and modifiable roles in gestational duration. We examined the influence of linolenic acid (LnA) vs. docosahexaenoic acid (DHA) on rat reproductive tissue(More)
The action of sodium salicylate on normal and digoxin-intoxicated rabbit heart was studied by the Langendorff perfusion method. The drug depressed heart rate, atrioventricular (AV) conduction and contraction force in the normal heart, and reversibly blocked the ventricular pacemakers induced by digoxin intoxication, whereas its effect on sinoatrial(More)
Se ha estudiado la relación existente entre la concentración de Ig. sericas y las poblaciones linfocitarias T y B en un grupo de sujetos ancianos, encontrandose un notable descenso de la transformación blasticá al tiempo que se incrementa el porcentage de linfocitos portadores de Ig. en su membrana. De nuestros resultados parece deducirse una relación entre(More)
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