title: Stability of aspirin in liquid and semisolid bases. I. Substituted and nonsubstituted polyethylene glycols.
mesh_terms: D000107:Acetylation; D001241:Aspirin; D004355:Drug Stability; D006018:Glycols; D011095:Polyethylenes; D012459:Salicylates; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D013997:Time Factors
chemical_list: D006018:Glycols; D011095:Polyethylenes; D012459:Salicylates; D001241:Aspirin