Regions in -Chemokine Receptors CCR5 and CCR2b That Determine HIV-1 Cofactor Specificity Joseph Rucker, Michel Samson, Benjamin J Doranz, Frdrick Libert, Joanne F Berson, Yanjie Yi, Robert J Smyth, Ronald G Collman, Christopher C Broder, Gilbert Vassart, Robert W Doms, Marc Parmentier Cell Volume 87, Issue 3, Pages (November 1996) DOI: /S (00) Figure 1 Cell , DOI: ( /S (00) ) Figure 1 Cell , DOI: ( /S (00) ) Figure 2 Cell , DOI: ( /S (00) ) Figure 8 Cell , DOI: ( /S (00) ) Figure 3 Cell , DOI: ( /S (00) ) Figure 4 Cell , DOI: ( /S (00) ) Figure 5 Cell , DOI: ( /S (00) ) Figure 6 Cell , DOI: ( /S (00) ) Figure 7 Cell , DOI: ( /S (00) )