MACK. Merrimack Pharmaceuticals To Present Preliminary Clinical Data For Novel Therapies Targeting Molecular Pathways In Advanced Cancers Research Presented at ESMO 2012 Congress Address Safety and Preliminary Efficacy of Treatments Discovered and Developed through Network Biology http://finance.yahoo.com/news/merrimack-pharmaceuticals-present-preliminary-clinical-155100637.html stockcharts.com/c-sc/sc?s=MACK&p=D&yr=0&mn=4&dy=0&i=t74709086323&r=1347998685202