Alonso Barrantes

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Blood from eighteen patients bitten by B. asper were studied for effects on coagulation. All showed alterations in the levels of fibrinogen and of factors II, V, VIII, IX, X and XI, as well as in anti-thrombin-III and plasminogen. The number of platelets and the concentrations of factors VII and XII did not show significant variations in comparison with the(More)
To study the effects of oral contraceptives (OCs) on blood coagulation, and on thrombotic risk, 18 healthy women were observed for a period of 24 months. The study was conducted in 3 stages: 1) measurement of all basal characteristics of the women, 2) 12 months' treatment with OCs containing 1 mg of ethynodiol diacetate and 50 mcg of ethinyl estradiol,(More)