Factors Affecting the Length of Hospital Stay in Patients with Parapneumonic Effusion Undergoing Conservative Treatment. - Oksay, Sinem Can; Öztürk, Yadigar; Yılmazer, Ahmet; Ayhan, Yetkin; Tortop, Deniz Mavi; Durakbaşa, Çiğdem Ulukaya; Girit, Saniye (Journal of Child / Çocuk Dergisi, 2025)