Kramer, A <br/><br/>
Maintaining health by balancing microbial exposure and prevention of infection: the hygiene hypothesis versus the hypothesis of early immune challenge.  [electronic resource] 

 -  The Journal of hospital infection  Feb 2013 
 - S29-34 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>1532-2939 
<br/><br/><label>Standard No.: </label>10.1016/S0195-6701(13)60007-9  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Autoimmune Diseases--epidemiology<br/>Health<br/>Humans<br/>Hygiene Hypothesis<br/>Hypersensitivity--epidemiology<br/>Incidence