Siregar, Syahrianti Rizky Azzahra, Julahir Hodmatua Siregar, Marlina Elfa Lubis, and Zaim Anshari. 2025. “Analysis Body Mass Index in COPD Patients at Pirngadi Regional General Hospital Medan”. International Journal of Public Health Excellence (IJPHE) 4 (2):448-52. https://doi.org/10.55299/ijphe.v4i2.1287.