Reference
Till Bärnighausen, David Canning, James K. Hammitt, Dan R. Hogan, Joshua Salomon, Joshua Salomon, and Alan M. Zaslavsky, “National HIV Prevalence Estimates for Sub-Saharan Africa: Controlling Selection Bias with Heckman-Type Selection Models”, Sexually Transmitted Infections, vol. 88, December 2012, pp. 17–23.
Published in
Sexually Transmitted Infections, vol. 88, December 2012, pp. 17–23