1887

oa South African Medical Journal - Sun-trauma prevention

Volume 38, Issue 34
  • ISSN : 0256-9574
  • E-ISSN: 2078-5135

 

Abstract

The sunrays of short wave-length that reach the earth promote health in that they are bactericidal, and, by activating precursor substances into vitamin D, promote calcium-phosphorus metabolism.

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/content/m_samj/38/34/AJA20785135_43506
1964-10-01
2017-10-19

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