@article{articlec8447809,
title   = {Diaphragmatic Breathing Training Program Improves Abdominal Motion During Natural Breathing in Patients With Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial},
author = {Yamaguti, Wellington P. and Claudino, Renata C. and Neto, Alberto P. and Chammas, Maria C. and Gomes, Andrea C. and Salge, João M. and Moriya, Henrique Takachi and Cukier, Alberto and Carvalho, Celso R.},
year = {2012},
doi = {10.1016/j.apmr.2011.11.026},
journal   = {Archives of physical medicine and rehabilitation}
}