Sex Exchange Among Very Poor Los Angeles Area Men Who Have Sex with Men: Associations with Partnership Type
Ryan Murphy, MPH, PhD1, Pamina Gorbach, MHS, DrPh2, Robert Weiss, PhD3 and Steve Shoptaw, PhD3
(1)Alcohol Research Group, Emeryville, CA, (2)University of California Los Angeles, Los Angeles, CA, (3)University of California, Los Angeles, Los Angeles, CA
(1)Alcohol Research Group, Emeryville, CA, (2)University of California Los Angeles, Los Angeles, CA, (3)University of California, Los Angeles, Los Angeles, CA