Watts, Geoff <br/><br/>
The defence of dirt.  [electronic resource] 

 -  BMJ (Clinical research ed.)  May 2004 
 - 1226 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>1756-1833 
<br/><br/><label>Standard No.: </label>10.1136/bmj.38075.565822.55  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable Diseases--immunology<br/>Dermatitis, Atopic--immunology<br/>Humans<br/>Hygiene<br/>Infant<br/>Infant, Newborn