DULUTH, MN (KDAL) - The Lake Superior Medical Society Alliance is holding a blood drive during the month of March to honor physicians in the area.  You are invited to come to the Memorial Blood Centers in Duluth or Superior and donate blood in the name of your favorite doctor.  The donations will be tracked and area physicians will be given a white carnation for each person who honored them with a donation.  To schedule an appointment to donate blood, call the Memorial Blood Centers at 1-888-448-3253.  Doctor Day is March 30th.