Williams V, Qin S, Romano CD, Lewis S, Williams N, Yarr S, Juul KV, Andersson FL. Psychometric evaluation of the Nocturia Sleep Quality Scale based on data from a prospective observational study. J Clin Sleep Med. 2021 Apr 1;17(4):691-701. doi: 10.5664/jcsm.9010
Whittington D, Sur D, Cook J, Chatterjee S, Maskery B, Lahiri M, Poulos C, Boral S, Nyamete A, Deen J, Ochiai L, Bhattacharya SK. Rethinking cholera and typhoid vaccination policies for the poor: private demand in Kolkata, India. World Dev. 2009 Feb 1;37(2):399-409.