Background The increasing prevalence and burden of chronic obstructive pulmonary disorder (COPD). the challenges in implementing pulmonary rehabilitation (PR) programs and the limited availability of alternatives and supportive programs to serve patients with COPD necessitate the development of pulmonary telerehabilitation (PTR) systems to provide patients with COPD with PR programs. ... https://www.havifrost.com/product-category/lotion-or-cream/