TY - JOUR A1 - Habecker, P. A1 - Dombrowski, K. A1 - Khan, B. T1 - Improving the Network Scale-Up estimator: Incorporating means of sums, recursive back estimation, and sampling weights Y1 - 2015 DO - 10.1371/journal.pone.0143406 VL - 10 IS - 12 ER -