Trzmiel, T., Pieczyńska, A. ., Zasadzka, E. . and Pawlaczyk, M. . (2021) “Respiratory Function and Muscle Strength Vs. Past Work Type: a Cross-Sectional Study Among Retirees”, Canadian Geriatrics Journal. Markham, Canada, 24(4), pp. 297–303. doi: 10.5770/cgj.24.501.