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Effectiveness of a smartphone app on improving immunization of children in rural Sichuan Province, China: a cluster randomized controlled trial
Chen, Li; Du, Xiaozhen; Zhang, Lin; van Velthoven, Michelle Helena; Wu, Qiong
; et al.
BMC Public Health; London Vol. 16, (2016).
DOI:10.1186/s12889-016-3549-0
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