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pro vyhledávání: '"Karen R. Davis"'
Autor:
Karen R. Davis, Felib Y. Iskander
Publikováno v:
Food Chemistry. 45:269-277
Nineteen different bread varieties baked at 13 different locations in Egypt, from Aswan at the far South to Edfina on the Mediterranean Sea, were collected. These breads were formulated with wheat and/or corn flour with or without other ingredients s
Publikováno v:
Food Chemistry. 35:197-208
Bread, flour, bran and other bread-making ingredients were collected from 13 villages in Egypt during September-December 1984. The aluminium content, as measured by instrumental neutron activation analysis, ranged from 18·1 to 224 μg/g of bread in
Autor:
Karen R. Davis, Susan C. Weller
Publikováno v:
Family Planning Perspectives. 31:272
This cross-sectional and longitudinal study examines the overall effectiveness of condoms in reducing heterosexual transmission of HIV. Data on condom usage and HIV serology was obtained from 25 published studies of serodiscordant heterosexual couple