Fig. 4
From: Geographic dimensions of a health network dedicated to occupational and work related diseases
Catchment areas of OD Clinics according to the main cause of patient referral: work-relatedness assessement of diseases and diagnosis of OD (a), work-fitness concern (b), systematic screening of hazardous exposures (c). Circles are proportional to the number of observations, and standard deviation ellipses show the main geographical catchment area for each OD clinic. OD clinics occupational diseases clinics