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Two sensitive chromatographic methods have been developed, and validated for chlorpheniramine maleate (CM), phenylephrine (PE) and guaifenesin (GF) determination in their mixture and in presence of GF related substance guaiacol (GL) and preservative namely; sodium benzoate (NaB). The first method
A stability indicating high performance liquid chromatography procedure has been developed for the simultaneous determination of guaifenesin (GUA), methyl p-hydroxybenzoate (MHB) and propyl p-hydroxybenzoate (PHB) in a commercial cough syrup dosage form. The method was specific and stability
Guaiacol Glyceryl Ether (GGE) is well known as an expectorant in a large number of cough syrups etc. More recently it was used in surgery because of its activity as a muscle relaxant and its additive effect on narcotics. Today many of the sedatives and hypnotics in the BRD, which are available
OBJECTIVE
To objectively evaluate the clinical effect of traditional Chinese medicine in treating children's respiratory syncytial viral pneumonia (RSVP) of phlegm-heat blocking Fei syndrome (PHBFS).
METHODS
A single-blinded multi-center, blocked, randomized and parallel-controlled method was
OBJECTIVE
To evaluate the curative effect of Qingkailing Injection (QKL) for treatment of children's respiratory syncytial virus pneumonia of phlegm-heat obstructing Fei syndrome pattern (SVP-PH) depending upon main symptom assessment.
METHODS
A Chinese-Western medicine comparative trial was
Multivariate calibration models manipulating UV-spectroscopic data of three anti-productive cough drugs namely ambroxol, guaifenesin and theophylline were constructed for the intent of simultaneous determination in presence of their impurities; guaiacol and caffeine. Both interval partial least