Morphometric, quantitative, and three-dimensional analysis of the heart muscle fibers of old rats: transmission electron microscopy and high-resolution scanning electron microscopy methods - Cury, Diego Pulzatto; Dias, Fernando José; Sosthenes, Marcia Consentino Kronka; Haemmerle, Carlos Alexandre dos Santos; Ogawa, Koichi; Silva, Marcelo Cavenaghi Pereira da; Issa, João Paulo Mardegan; Iyomasa, Mamie Mizusaki; Watanabe, Ii-Sei (Microscopy Research and Technique, 2013)