TY - RPRT TI - Intradural spinal echinococcus simulating lumbar disc protrusion. AU - P C Karvounis AU - E G Singounas AU - G Tsaprounis PY - 1977 DO - 10.1055/s-0028-1090356 UR - https://pubmed.ncbi.nlm.nih.gov/854147/ ID - 854147 ER -