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Clinical Trial Summary

Three types of workers exposed to different levels of natural sunlight will be tested for Vitamin D blood level, PTH, Ca, P, albumin and alkaline phosphatase.

In addition, each tested worker will be asked to fill a questionnaire for demographic, medical and personal habit information.


Clinical Trial Description

n/a


Study Design

Observational Model: Case-Crossover, Time Perspective: Cross-Sectional


Related Conditions & MeSH terms


NCT number NCT01385085
Study type Observational
Source Medical Corps, Israel Defense Force
Contact
Status Not yet recruiting
Phase N/A
Start date November 2011

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