The influence of interviewers on survey responses among female sex workers in Zambia.
Guy HarlingMichael M ChandaKatrina F OrtbladMagdalene MwaleSteven ChongoCatherine KancheleNyambe KamungomaLeah G BarresiTill BärnighausenCatherine E OldenburgPublished in: BMC medical research methodology (2019)
clinicaltrials.gov NCT02827240 . Registered 11 July 2016.
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