Hallas J, Margulis AV, Pottegard A, Kristiansen NS, Atsma WJ, Appenteng K, de Vogel S, Kaye JA, Perez-Gutthann S, Arana A. Incidence of common cancers in users of antimuscarinic medications for overactive bladder: a Danish nationwide cohort study. Basic Clin Pharmacol Toxicol. 2018 Jun;122(6):612-9. doi: 10.1111/bcpt.12965
Phanikumar CV, Maitra B. Valuing urban bus attributes: an experience in Kolkata. J Public Transport. 2006;9(2):69-87. doi: 10.5038/2375-0901.9.2.4
Phani Kumar CV, Basu D, Maitra B. Modeling generalized cost of travel for rural bus users: a case study. J Public Transport. 2004;7(2):59-72. doi: 10.5038/2375-0901.7.2.4