Toxicity profile of patients treated with proton and carbon‐ion therapy for primary nasopharyngeal carcinoma: A systematic review and meta‐analysis. - Yahya, Noorazrul; Mohamad Salleh, Siti Athiyah; Mohd Nasir, Nurul Faiqah; Abdul Manan, Hanani (Asia Pacific Journal of Clinical Oncology, 2024)