Evaluation of the role of location and distance in recruitment in respondent-driven sampling
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Richard G. White | L. Johnston | R. Hayes | J. Seeley | P. Sonnenberg | A. Copas | S. Frost | N. McCreesh
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Richard G. White | L. Johnston | R. Hayes | J. Seeley | P. Sonnenberg | A. Copas | S. Frost | N. McCreesh