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A member asked:

What is the definition or description of: spf?

A doctor has provided 1 answer
Dr. Alan Ali answered

Specializes in Psychiatry

SPF: Could be; sun protection factor (measures effectiveness of sunscreen), specific pathogen free (for lab animals free of pathogens), or supernatant protein factor (for tocopherol).

Answered 11/30/2012

5.5k views

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