Ramos, C.D., Wittmann, D.E.Z., Etchebehere, E.C.S. de C., Tambascia, M.A., Silva, C.A.M. and Camargo, E.E. 2002. Thyroid uptake and scintigraphy using 99mTc pertechnetate: standardization in normal individuals. São Paulo Medical Journal. 120, 2 (Mar. 2002), 45–48.