Preserved Ratio Impaired Spirometry in Low- and Middle-Income Countries: An Emerging Cardiopulmonary Phenotype and Cardiovascular Risk—A Narrative Review. - Cioboata, Ramona; Vlasceanu, Silviu Gabriel; Tieranu, Maria-Loredana; Mitroi, Denisa Maria; Tieranu, Eugen Nicolae; Andrei, Gabriela Marina; Balteanu, Mara Amalia; Riza, Anca Lelia; Olteanu, Mihai (Life (2075-1729), 2026)