TY - RPRT TI - Ring calcification in a bladder phaeochromocytoma. AU - T M Kolawole AU - E O Nkposong AU - A A Abioye PY - 1975 DO - 10.1259/0007-1285-48-575-931 UR - https://pubmed.ncbi.nlm.nih.gov/1218307/ ID - 1218307 ER -