Sun exposure, ultraviolet (UV) irradiance and serum 25 hydroxycholecalciferol (25OHD) in pregnant women in rural North India

@inproceedings{Sudhanshu2015SunEU,
  title={Sun exposure, ultraviolet (UV) irradiance and serum 25 hydroxycholecalciferol (25OHD) in pregnant women in rural North India},
  author={Siddhnath Sudhanshu and Pramod Upadhyaya and Monashish Sahu and Vinita B Agarwal and Vijayalakshmi Bhatia},
  year={2015}
}
Methods The measurements of UVB radiation energy were obtained using UV spectrometer at different times of the day between 9 am and 4 pm, in different seasons. The instrument was calibrated to denote 13 microWatt/ cm2 of irradiance per mVolt of deflection. Measurements were taken at our institution (situated in the countryside), at crowded inner city areas and the villages where our subjects resided. The clothing, outdoor activity pattern, and dietary calcium intake were prospectively… CONTINUE READING

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