Food problems.
D000328:Adult; D002099:Cacao / Q000009:adverse effects; D002675:Child, Preschool; D004311:Double-Blind Method; D005512:Food Hypersensitivity / Q000209:etiology* / Q000276:immunology; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000209:etiology / Q000276:immunology; D012882:Skin Tests; D003313:Zea mays / Q000009:adverse effects