TY - RPRT TI - Do variations in assisted reproductive technology programs' screening practices indicate a need for national guidelines? Another perspective. AU - Bonnie Steinbock PY - 2005 DO - 10.1016/j.fertnstert.2005.05.028 UR - https://pubmed.ncbi.nlm.nih.gov/16275270/ ID - 16275270 ER -