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KWJ038
KWJ038
http://dx.doi.org/10.1093/AJE/KWJ038
Palmtop-assisted self-interviewing for the collection of sensitive behavioral data: randomized trial with drug use urine testing
P356
Q28287137-3E818639-1F23-4F9F-BC2A-85076E2CBBC0
P356
KWJ038
http://dx.doi.org/10.1093/AJE/KWJ038