Figure 3
From: Referrals to a regional allergy clinic - an eleven year audit
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2458-10-790/MediaObjects/12889_2010_Article_2701_Fig3_HTML.jpg)
Postcode district maps showing Log of Standardised Morbidity Ratios for Allergies (as referred to Derriford Hospital), crude rates and smoothed rates: Airborne (n = 623), Food (n = 410).