1,554 followers
RT @Aller_MD: Increased frequency and duration of viral lower respiratory tract infections in smokers. http://t.co/INp419KMzU
RT @Aller_MD: Increased frequency and duration of viral lower respiratory tract infections in smokers. http://t.co/INp419KMzU
RT @Aller_MD: Increased frequency and duration of viral lower respiratory tract infections in smokers. http://t.co/INp419KMzU
RT @Aller_MD: Increased frequency and duration of viral lower respiratory tract infections in smokers. http://t.co/INp419KMzU
Increased frequency and duration of viral lower respiratory tract infections in smokers. http://t.co/INp419KMzU