Xu H, Kaye JA, Saltus CW, Crawford J, Gasa E, Goodnough LT. Blood utilization and hemoglobin levels in cancer patients after label and coverage changes for erythropoiesis-stimulating agents. Expert Rev Hematol. 2014 Oct;7(5):617-33. doi: 10.1586/17474086.2014.943730
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x