title: Letter: Some comments on technical aspects of the article "allpyral: an appraisal" by Drs. Goodman and Harris.
mesh_terms: D000485:Allergens; D000534:Alum Compounds; D011058:Pollen; D011725:Pyridines; D013678:Technology, Pharmaceutical
chemical_list: D000485:Allergens; D000534:Alum Compounds; D011725:Pyridines