title: Regulatory activities for allergenic extracts in the UK: the present situation.
mesh_terms: D000485:Allergens / Q000592:standards* / Q000633:toxicity; D000818:Animals; D004341:Drug Evaluation; D006801:Humans; D007880:Legislation, Drug; D008004:Licensure; D006113:United Kingdom
chemical_list: D000485:Allergens