@misc{indiciae52e0ce1961bb, title = {[Primary retroperitoneal cyst (possible intestinal origin)].}, author = {J Abascal and J Ardaiz and P Gil and J Menéndez and J J Barreiro and J L Inchausti}, year = {1977}, url = {https://pubmed.ncbi.nlm.nih.gov/594482/}, note = {Source identifier: 594482} }