Impact of mobile phone-based technology to improve health, population and nutrition services in Rural Bangladesh: a study protocol. - Jasim Uddin; Tuhin Biswas; Gourab Adhikary; Wazed Ali; Nurul Alam; Rajesh Palit; Nizam Uddin; Aftab Uddin; Fatema Khatun; Abbas Bhuiya (BMC Medical Informatics Decis. Mak., 2017)