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
Keyword(s):
2010 ◽
Vol 118
(10)
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pp. 1476-1482
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Keyword(s):
2020 ◽
2020 ◽
2020 ◽
2017 ◽
Vol 39
(5)
◽
pp. 405-406
Keyword(s):
2018 ◽
Keyword(s):