Last time my ns time , always get 1 day mc nia from polyclinic ,
so most of the time if I want to keng will go private-.-"
Even the doc in the polyclinic will ask me 1 question 1st , "Are
you working or studying?"
Den I will say I is NSF 
Den after checking , he will reply , next time this kind of thing
can actually dun nid to come de.