Fig. 1From: Profile of HLA-B27-positive enthesitis/spondylitis-related arthritis in Senegal, West AfricaFamilial Case of HLA-B27-positive SpA in Fula ethnic group, consanguine marriage between II-1 and II-2; index case (III-2) 29 years old male with HLA-B27 positive axial and peripheral SpA, his father (II-1) with axial SpA, his sister (III-5) 17 years old female with HLA-B27-positive ERA (circles and squares indicate females and males respectively)Back to article page