Santoso, D.I., Lontoh, S.O., Wuyung, P.E. and Endardjo, S. 2011. Effect of long-term physical training and detraining on myocyte structure and connective tissue of Wistar rat’s ventricle: preliminary experiment in rats. Medical Journal of Indonesia. 20, 4 (Nov. 2011), 271-7. DOI:https://doi.org/10.13181/mji.v20i4.460.