TY - RPRT TI - A simple teaching tool for training the pelvic organ prolapse quantification system. AU - Ingrid M Geiss AU - Paul A Riss AU - Engelbert Hanzal AU - Andrea Dungl PY - 2007 DO - 10.1007/s00192-006-0276-6 UR - https://pubmed.ncbi.nlm.nih.gov/17219254/ ID - 17219254 ER -