title: Quantitative studies in skin testing; the graphic solution of the assay of ragweed extracts by means of scratch test utilizing an all or none response.
mesh_terms: D031164:Ambrosia / Q000633:toxicity*; D000707:Anaphylaxis / Q000175:diagnosis*; D006967:Hypersensitivity / Q000175:diagnosis*; D007154:Immune System Diseases; D019999:Pharmaceutical Solutions; D012882:Skin Tests
chemical_list: D019999:Pharmaceutical Solutions
keywords: ANAPHYLAXIS AND ALLERGY/diagnosis; RAGWEED/toxicity