Media type: E-Article Title: Two sets of monozygotic twins after intracytoplasmic sperm injection and transfer of two embryos on day 2 Contributor: Carrillo-Vadillo, Raquel; García-Lozano, Juan Carlos; Lozano Arana, María Dolores; Moliní Rivera, Juan Luis; Sánchez Martín, Pascual; Antiñolo, Guillermo imprint: Elsevier BV, 2007 Published in: Fertility and Sterility Language: English DOI: 10.1016/j.fertnstert.2007.01.110 ISSN: 0015-0282 Keywords: Obstetrics and Gynecology ; Reproductive Medicine Origination: Footnote: Access State: Open Access