1967 25 Nov. 1107/1 These results indicate that the r.a.s.t. reaction is allergen specific.
2000 7 Nov. 22/3 A simple pin prick test or a Rast blood test will reveal which allergens provoke an IgE response.
2004 30 May (Parade Mag.) 16/2 A commonly used blood test called RAST..determines the number of IgE antibodies present in a person who has allergylike reactions and symptoms.