Quantitative gas chromatographic determination of methapyrilene fumarate, ephedrine hydrochloride, and codeine phosphate in syrup.

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@article{Wesselman1968QuantitativeGC, title={Quantitative gas chromatographic determination of methapyrilene fumarate, ephedrine hydrochloride, and codeine phosphate in syrup.}, author={Henry Wesselman and William Koch}, journal={Journal of pharmaceutical sciences}, year={1968}, volume={57 5}, pages={845-7} }