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1476-072X-10-4
1476-072X-10-4
http://dx.doi.org/10.1186/1476-072X-10-4
A probabilistic sampling method (PSM) for estimating geographic distance to health services when only the region of residence is known.
P356
Q34506425-6E7C3899-2D19-415D-95DD-528536E65155
P356
1476-072X-10-4
http://dx.doi.org/10.1186/1476-072X-10-4