@misc{indiciaede9165a43fdb, title = {"Backwalling" is not good for the embryo.}, author = {Mark Payson and Alicia Armstrong}, year = {2004}, doi = {10.1016/j.fertnstert.2004.04.003}, url = {https://pubmed.ncbi.nlm.nih.gov/15193518/}, note = {Source identifier: 15193518} }