Altitude and allergy.
D000531:Altitude; D000818:Animals; D002648:Child; D002675:Child, Preschool; D003105:Colombia; D004484:Ecuador; D006168:Guinea Pigs; D006736:Horses; D006801:Humans; D006967:Hypersensitivity; D007106:Immune Sera; D007117:Immunization, Secondary; D007223:Infant; D008800:Mexico; D011817:Rabbits; D012710:Serum Albumin, Bovine
D007106:Immune Sera; D012710:Serum Albumin, Bovine