Characterization of degradation products of amorphous and polymorphic forms of clopidogrel bisulphate under solid state stress conditions. J Pharm Biomed Anal. 2010 Jul 8;52(3):332-44. doi: 10.1016/j.jpba.2009.05.001. Epub 2009 May 12. PubMed PMID: 19520540.
Development and validation of a sensitive and selective UHPLC-MS/MS method for quantitation of an investigational anti-malarial compound, 2-tert-butylprimaquine (NP-96) in rat plasma, and its application in a preclinical pharmacokinetic study. J Pharm Biomed Anal. 2010 Jul 8;52(3):410-5. doi: 10.1016/j.jpba.2009.05.033. Epub 2009 Jun 6. PubMed PMID: 19574014.
Screening of bulk drug samples and anti-tuberculosis products for the presence of therapeutically less active diasteriomeric (R,S) form of ethambutol dihydrochloride. Indian J Tuberc. 2008 Oct;55(4):192-8. PubMed PMID: 19295106.
A new validated DSC method for monitoring of less active R,S isomer of ethambutol dihydrochloride in bulk drug samples and anti-tuberculosis formulations. Pharmacopeial Forum. 2007; 33:326-333.