Figure 1
From: The epidemiology and treatment of anal fissures in a population-based cohort
Incidence of anal fissure (cases per 1000 persons per year) by sex and age group.
Figure 1 | BMC Gastroenterology
From: The epidemiology and treatment of anal fissures in a population-based cohort
Incidence of anal fissure (cases per 1000 persons per year) by sex and age group.