Number of items: 1.
    Bärnighausen, Till , Canning, David, Hammitt, James K.
, Canning, David, Hammitt, James K. , Hogan, Dan R., Salomon, Joshua, Salomon, Joshua and Zaslavsky, Alan M.
  
(2012)
National HIV Prevalence Estimates for Sub-Saharan Africa: Controlling Selection Bias with Heckman-Type Selection Models.
  
    Sexually Transmitted Infections, 88.
     pp. 17-23.
, Hogan, Dan R., Salomon, Joshua, Salomon, Joshua and Zaslavsky, Alan M.
  
(2012)
National HIV Prevalence Estimates for Sub-Saharan Africa: Controlling Selection Bias with Heckman-Type Selection Models.
  
    Sexually Transmitted Infections, 88.
     pp. 17-23.
  	
  
  
 
  
                         
                        



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