Hospitalization costs and out-of-pocket (OOP) payment in lung cancer patients in Iran: Health Sector Evolution Plan (HSEP) has reduced OOP payments and improved financial protection. - Jalilian, Habib; Heydari, Somayeh; Javanshir, Elnaz; Jamebozorgi, Khosro; Mir, Nazanin; Eshraghi, Abbas; Fehresti, Saeedeh (PLoS ONE, 2024)