Connect MM® – the Multiple Myeloma Disease Registry: incidence of second primary malignancies in patients treated with lenalidomide. Issue 9 (1st September 2016) - Rifkin, Robert M.; Abonour, Rafat; Shah, Jatin J.; Mehta, Jayesh; Narang, Mohit; Terebelo, Howard; Gasparetto, Cristina; Toomey, Kathleen; Hardin, James W.; Lu, Jane Jie; Kenvin, Laurie; Srinivasan, Shankar; et al.