Pulmonary function tests are a group of tests that measure ...

Riboflavin: This water-soluble vitamin also functions as a coenzyme in many reactions in energy metabolism. Riboflavin is also very heat and sun labile and serves many functions in maintenance of the integrity of the membranes of the skin, eyes, and GI tract. Riboflavin is available in several foods including dairy products and meats. ................
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