Senin, 04 Oktober 2010

A Nurse Practitioner's View: H1N What?

Diposkan oleh pas d'amis di 10/04/2010 09:41:00 PM
A Nurse Practitioner's View: H1N What?: "With all the talk about H1N1 influenza, I think it;s important for folks to understand where the H1 and N1 come from. The 'H' comes from th..."