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Siddiqi, Danya Arif, Rozina Feroz Ali, Mehr Munir, Mubarak Taighoon Shah, Aamir Javed Khan, and Subhash Chandir. "Effect of Vaccine Reminder and Tracker Bracelets On Routine Childhood Immunization Coverage and Timeliness in Urban Pakistan (2017-18): A Randomized Controlled Trial." BMC Public Health 2020.

Siddiqi, Danya Arif, et al. "Effect of Vaccine Reminder and Tracker Bracelets On Routine Childhood Immunization Coverage and Timeliness in Urban Pakistan (2017-18): A Randomized Controlled Trial." BMC Public Health 2020.