TY - JOUR T1 - Relationship between metabolically unhealthy obesity and chronic obstructive pulmonary disease among U.S. adults: Evidence from NHANES 1999-2018 JO - Clinics A1 - Li, Shuang A1 - Fang, Xing A1 - Wang, Pingfei A1 - Wei, Huasheng SN - 1807-5932 UL - 10.1016/j.clinsp.2026.101006 VL - 81 Y1 - 2026 PB - Brazil ER -