@misc{indiciae6bb53c48ef33, title = {Ring calcification in a bladder phaeochromocytoma.}, author = {T M Kolawole and E O Nkposong and A A Abioye}, year = {1975}, doi = {10.1259/0007-1285-48-575-931}, url = {https://pubmed.ncbi.nlm.nih.gov/1218307/}, note = {Source identifier: 1218307} }