Oscoz Munoa, G A, J A Diaz Mancha, A Boza CarreflO, M Mariscal Crespo, and A Medina Cordero. 2007. “INFLUENCE OF TECHNOLOGY DIAPHRAGM STRETCH IN SPIROMETRIC VALUES OF SUBJECTS SMOKERS BASED ON GENDER”. Cuestiones De Fisioterapia 35 (1): 15-23. http://cuestionesdefisioterapia.es/index.php/cf/article/view/335.