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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... by van Velthoven, Michelle Helena, Wang, Wei, Wu, Qiong, Li, Ye, Scherpbier, Robert W, Du, Xiaozhen, Chen, Li, Zhang, Yanfeng, Car, Josip, Rudan, Igor
Published 2018
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Journal Article