Sinus or ‘Resdung’? – Dr Ahmad Nordin by Dr. Khoo Yoong Khean • December 15, 2014 • 2 Comments What is the difference between these 2 terms? Plenty of times patients will asked me this, “Doctor, do I have sinus?”. Any medical practitioner will be tempted to say “Yes”, to any living person- whether healthy or not. I will… Read more →