'Food Challenges' Provide Best Allergy Diagnoses: Study

'Food Challenges' Provide Best Allergy Diagnoses: Study
But too few U.S. doctors use them, researcher says
http://health.usnews.com/health-news/family-health/allergy-and-asthma/articles/2011/11/05/food-challenges-provide-best-allergy-diagnoses-study

"Too few American doctors use oral food challenges to diagnose food allergies even though this type of test is considered the gold standard, according to a new study."