Ho Alex Zxi Jian; Liew Constance Sat Lin; Ishak Nur Izzati; Lo Zhen Zhen; Wong Eugene Hung Chih. Effect of Olfactory Rehabilitation or Combination Therapy on the Recovery of Post-COVID-19 Olfactory Dysfunction: A Multi-Arm Parallel-Group Randomized Controlled Trial. BJMS 2024, 18.