Yungang Biology
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A method to improve the yield of allobolic acid from duck bile

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A method for extracting chenodeoxycholic acid and allo-cholic acid from duck bile

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Method for preparing bile salt in blanking after extracting chenodeoxycholic acid from chicken gall bladder

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A method for removing porcine cholic acid from chenodeoxycholic acid

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A method for removing lithocholic acid from chenodeoxycholic acid

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Method of synthesizing ursodeoxycholic acid from chenodeoxycholic acid and cholic acid in chicken bile

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Nigerian patent-A method for extracting chenodeoxycholic acid and allo-cholic acid from duck bile

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Nigerian Patent-Method of synthesizing ursodeoxycholic acid from chenodeoxycholic acid and cholic acid in chicken bile