PLoS One
http://www.plosone.org/
[Accessed 2 May 2020]

Willingness to pay for oral cholera vaccines in urban Bangladesh
Abdur Razzaque Sarker, Ziaul Islam, Marufa Sultana, Nurnabi Sheikh, Rashidul Alam Mahumud, Md. Taufiqul Islam, Robert Van Der Meer, Alec Morton, Ashraful Islam Khan, John David Clemens, Firdausi Qadri, Jahangir A. M. Khan