منابع مشابه
Biologic synergism and parallelism.
In epidemiologic studies of two binary exposure factors, much attention has been given to the concept of synergism of the factors. The leading dictionary of epidemiology offers two definitions of synergism, one of which this author labels statistical and the other biologic. The epidemiologic literature has been largely concerned with statistical synergism, which is typically measured using addi...
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a Drugs A and B have similar activity. a -l When the effective doses of A and B in combination are located in the area of m+n 1, m> 1, n> 1, they are called par tial antagonism. a -4 When they are located out of the square area, that is, m)1...
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Appropriate physiological functioning requires optimal nutrition, which needs to be in balance to prevent potential detrimental interactions, especially when administered at pharmacological dosages. Many nutrients function in harmony to complement digestive function and assimilation. Some may hinder these processes and compete for uptake, while others may also be required in tandem to assist in...
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BETTINA M. FROST, MARY E. VALIANT and EUGENE L. DULANEY Merck Institute for Therapeutic Research Rahway, New Jersey, 07065, U.S.A. (Received for publication May 26, 1979) Efrotomycin1) is a narrow spectrum antibiotic which is most active in vitro against representative species of Pasteurella, Moraxella and Corynebacterium2) . The in vivo activity, however, is much better than one would expect f...
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Because of the conservation of mass, the divergence of the moisture transport integrated over the depth of the atmosphere should balance the fresh water flux (evaporation-precipitation) at the surface. Monitoring these two terms is critical to the characterization of the hydrological cycle and climate change. Direct in situ measurements of moisture transport, evaporation, and precipitation are ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2012
ISSN: 0021-9258
DOI: 10.1074/jbc.m112.419952