TY - RPRT TI - Crystalloid structures in retroperitoneal paragangliomas: a light and electron microscopic study. AU - K Kyriacou AU - F H Shipkey AU - R Loewen DO - 10.3109/01913129109021304 UR - https://pubmed.ncbi.nlm.nih.gov/2011868/ ID - 2011868 ER -