@article{article528b59b4,
title   = {Enhanced visualization of histological samples with an adjustable RGB contrast system with application for tissue used in photodynamic therapy},
author = {Barrionuevo, Wilma Regina and Marques Filho, Edson Cesar and Bagnato, Vanderlei Salvador},
year = {2008},
doi = {10.1002/jemt.20560},
journal   = {Microscopy Research and Technique}
}