DEERFIELD, Ill.--(BUSINESS WIRE)--Baxter International (NYSE:BAX), will host a quarterly conference call to discuss its first quarter 2011 financial results on Thursday, April 21, 2011, at 8:30 a.m. Eastern Time (7:30 a.m. Central Time). To access the call, please dial 866-261-7280 (domestic) or 703-639-1228 (international). Please dial into the call at least ten minutes prior to the start of the call for the operator to connect you.