@article{articlee5253459, title = {Preliminary evaluation of second harmonic direct detection scheme for low-dose range in alanine/EPR dosimetry}, author = {Chen, Felipe and Graeff, Carlos Frederico de Oliveira and Baffa, Oswaldo}, year = {2002}, doi = {10.1088/0031-9155/47/8/309}, journal = {Physics in Medicine and Biology} }