karunaratne pamudith transient ischemic attack tia debigatran reveroxaban apixaban novel oral anticoagulants undergraduate pamudith karunaratne medicine mbbs cld thyrotoxic cardiomyopathy anticoagulants warfarin atrial fibrillation stroke ceylon tourism industry asia sri lanka travel and tourism travel tourism ent sleep related breathing disorders snoring sleep apnoea peadiatric failure to thrive ftt
See more