title: On the expectorant action of volatile oils.
authors.forename: E M
authors.initials: EM
authors.lastname: BOYD
authors.forename: G L
authors.initials: GL
authors.lastname: PEARSON
mesh_terms: D005100:Expectorants; D009821:Oils; D009822:Oils, Volatile
chemical_list: D005100:Expectorants; D009821:Oils; D009822:Oils, Volatile
keywords: EXPECTORANTS; OIL/volatile