Petrescu, Silviu, Gabriel Pitigoi, Catalin Paunescu, și Mihaela Paunescu. 2014. „Physical Activity and Pulmonary Diseases. A Systematic Review”. Revista de Cercetare si Interventie Sociala 45 (iunie): 132-43. https://www.rcis.ro/journal/article/view/1635-physical-activity-and-pulmonary-diseases-a-systematic.