The factor analysis method of studying intracuaneous skin reactions.
D000818:Animals; D002415:Cats; D002417:Cattle; D004285:Dogs; D004391:Dust; D004848:Epithelium; D005163:Factor Analysis, Statistical; D005658:Fungi; D006736:Horses; D006801:Humans; D011058:Pollen; D012756:Sheep; D012882:Skin Tests
D004391:Dust