Virus and bacteria in influenza.  [electronic resource] 

 -  British medical journal  Dec 1972 
 - 745-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Haemophilus Infections--complications<br/>Humans<br/>Influenza, Human--complications<br/>Meningococcal Infections--complications<br/>Pneumonia, Staphylococcal--complications<br/>Pneumonia, Viral--complications