TY - RPRT TI - GnRH agonists and ovarian hyperstimulation. AU - R Barbieri AU - J Yeh AU - V A Ravnikar PY - 1991 DO - 10.1016/s0015-0282(16)54509-9 UR - https://pubmed.ncbi.nlm.nih.gov/1906411/ ID - 1906411 ER -