TY - GEN AU - Spring,D B TI - Fallopian tube occlusion rings: a consideration in the differential diagnosis of ureteral calculi SN - 0033-8419 PY - 1982///1203 KW - Diagnosis, Differential KW - Female KW - Humans KW - Hysterosalpingography KW - Sterilization, Tubal KW - instrumentation KW - Ureteral Calculi KW - diagnostic imaging N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/radiology.145.1.7122895 ER -