TY - RPRT TI - Polycythemia and hydronephrosis. AU - J M MARTT AU - A SAYMAN AU - M P NEAL PY - 1961 DO - 10.7326/0003-4819-54-4-790 UR - https://pubmed.ncbi.nlm.nih.gov/13767590/ ID - 13767590 ER -