TY - JOUR AB - Lilly ICOS is preparing to launch Cialis, a prescription drug that treats erectile dysfunction, and executives must decide how to position Cialis against market leader Viagra and recent entrant Levitra. VL - IS - SN - 2474-7890 DO - 10.1108/case.darden.2016.000071 UR - https://doi.org/10.1108/case.darden.2016.000071 AU - Parry Mark E. PY - 2017 Y1 - 2017/01/01 TI - Cialis T2 - Darden Business Publishing Cases PB - University of Virginia Darden School Foundation SP - 1 EP - 17 Y2 - 2024/04/19 ER -