
Keywords: مقابله با درد; AGA; Appropriate for Gestational Age; CPT; Cold Pressor Test; CI; Confidence Interval; IVH; Intraventricular Hemorrhage; NEC; Necrotizing enterocolitis; NICU; Neonatal Intensive Care Unit; NRS; Numerical Rating Scale; PCQ; Pain Coping Questionnaire; POPS;