TY - RPRT TI - A two-year experience with the Falope ring sterilization procedure. AU - I B Yoon AU - T M King AU - T H Parmley PY - 1977 DO - 10.1016/s0002-9378(16)33233-1 UR - https://pubmed.ncbi.nlm.nih.gov/137675/ ID - 137675 ER -