A double-blind, crossover controlled evaluation of a syrup for the night-time relief of the symptoms of the common cold, containing paracetamol, dextromethorphan hydrobromide, doxylamine succinate and ephedrine sulphate.
作者信息
Thackray P
出版信息
J Int Med Res. 1978;6(2):161-5. doi: 10.1177/030006057800600218.