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Fecal calprotectin in children (n = 57) with suspicion of gastrointestinally manifested cow’s milk allergy. The double-blind, placebo-controlled food challenge (DBPCFC) was used to diagnose the cow’s milk allergy: n = 18 for DBPCFC positive patients and n = 39 for DBPCFC negative patients. The graph shows Tukey’s whiskers with medians. (CMP = Cow’s Milk Protein).
