Successful quintuplet pregnancy of monochorionic male quadruplets and single female after double embryo transfer: case report and review of the literature.
Schlueter R, Arnett C, Huang C, Burlingame J.
Fertil Steril. 2018 Feb;109(2):284-288. doi: 10.1016/j.fertnstert.2017.11.003. Epub 2017 Dec 13.