Heyes A. Clinical trial experience with Functional Assessment of Cancer Therapy—Lung in conventional and targeted non—small cell lung cancer therapy. Semin Oncol. 2004 Jun 1;31(Suppl. 9):16-22.
Rothman KJ, Velez H, Glass RL, Mejia R, Espinal F. Dental caries and soil contents of trace metals in two Colombian villages. J Dent Res. 1972 Nov 1;51(6):1686.