title: The incidence of the renal venous collar in South African blacks.
abstract: The incidence of circumaortic, renal venous collars in South African Blacks was investigated. This anomaly was encountered in 5,9% of the males and 5,1% of females. Attention is drawn to the surgical importance of a renal collar.
mesh_terms: D044383:Black People; D005260:Female; D006801:Humans; D008297:Male; D012082:Renal Veins / Q000002:abnormalities* / Q000473:pathology; D013019:South Africa