Altitude and house dust mites.
D000053:Acari / Q000276:immunology*; D000293:Adolescent; D000531:Altitude; D002648:Child; D004391:Dust; D005260:Female; D006794:Household Articles; D006801:Humans; D007070:Immunoglobulin A / Q000096:biosynthesis; D007073:Immunoglobulin E / Q000096:biosynthesis; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D008297:Male; D011852:Radioallergosorbent Test; D012621:Seasons; D012882:Skin Tests
D004391:Dust; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007073:Immunoglobulin E