With work, Dana-Farber learns from '94 mistakes Nurse Teresa Mazeika has known the woman knitting in the blue reclining chair for months. But she asks Carolyn Harlow her name and birthday anyway, as she approaches with chemotherapy for Harlow's blood cancer. Mazeika, a 17-year nursing veteran at Dana-Farber Cancer Institute, isn't taking any chances that she is about to give the drug to the wrong patient.