TY - RPRT TI - Two-stage methods for the analysis of pooled data. AU - T A Stukel AU - E Demidenko AU - J Dykes AU - M R Karagas PY - 2001 DO - 10.1002/sim.852 UR - https://pubmed.ncbi.nlm.nih.gov/11439425/ ID - 11439425 ER -