Colak, Meryem, Selin Yigit, Anil Tapisiz, Hager Muftah, Kenan Yuce, Hasan Tezer, and Gulendam Bozdayi. “Evaluation of the Prevalence and Seasonality of Human Parainfluenza Virus over Five Year Period in Pediatric Patients: HPIV in Pediatric Patients”. Medical Science and Discovery 8, no. 4 (April 22, 2021): 260–265. Accessed March 28, 2024. https://medscidiscovery.com/index.php/msd/article/view/530.