- Methods Dextromethorphan Sustained-Release capsules of lasting antitussive were observed by acid citric induced cough model of guinea pig.
- Acetyl complementary enzymatic A and acid of careless acyl second are synthesized in citric acid citric acid is formed below enzymatic catalysis, begin circulation of 3 carboxylic acid then.
- Keywords Acid citric sildenafil;Korean epimedium herb;identification;
- Using with citric acid, TBHQ is more effective.
- He gave me a taste of his acid wit.