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Gender Studies

New gender studies data have been reported by A.N.L. Alves and co-authors

Published in Hospital Business Week, October 25th, 2009

According to recent research from Sao Paulo, Brazil, "Changes in urinary porphyrin excretion may be the result of hereditary causes and/or from environmental or occupational exposure. The objective of this study was to measure the amount of some porphyrins in spot urine samples obtained from volunteers randomly selected from a healthy adult population of Sao Paulo with a sensitive HPLC method and to estimate normal ranges for a non-exposed population."

"Spot urine samples were collected from 126 subjects (both genders, 18 to 65 years old) not occupationally exposed to porphyrinogenic agents. Porphyrin fractions were separated on RP-18 HPLC column eluted with a...

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