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Comparison of text messaging data collection vs face-to-face interviews for public health surveys: a cluster randomized crossover study of care-seeking for childhood pneumonia and diarrhoea in rural China.
van Velthoven MH, Wang W, Wu Q, Li Y, Scherpbier RW, Du X, Chen L, Zhang Y, Car J, Rudan I. van Velthoven MH, et al. J Glob Health. 2018 Jun;8(1):010802. doi: 10.7189/jogh.08.010802. J Glob Health. 2018. PMID: 29899982 Free PMC article. Clinical Trial.
Effectiveness of a smart phone app on improving immunization of children in rural Sichuan Province, China: study protocol for a paired cluster randomized controlled trial.
Chen L, Wang W, Du X, Rao X, van Velthoven MH, Yang R, Zhang L, Koepsell JC, Li Y, Wu Q, Zhang Y. Chen L, et al. Among authors: van velthoven mh. BMC Public Health. 2014 Mar 20;14:262. doi: 10.1186/1471-2458-14-262. BMC Public Health. 2014. PMID: 24645829 Free PMC article. Clinical Trial.
75 results