TY - GEN AU - Demets,D L TI - Practical aspects in data monitoring: a brief review SN - 0277-6715 PY - 1988///0216 KW - Clinical Trials as Topic KW - methods KW - Data Interpretation, Statistical KW - Decision Theory KW - Humans KW - Stochastic Processes N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Review UR - https://doi.org/10.1002/sim.4780060706 ER -