Lepkowski, James M; Reichert, Heidi Ann; Gillespie, B W; Chen, Q; Franzblau, A; Hedgeman, E; Adriaens, P; Demond, A; Luksemburg, W; Garabrant, D H. (2010).
Estimating population distributions when some data are below a limit of detection by using a reverse kaplan-meier estimator. Epidemiology. 21(SUPPL. 4), S64-S70.