Intravenous immunoglobulin treatment increased live birth rate in a Spanish cohort of women with recurrent reproductive failure and expanded CD56(+) cells. - Moraru M; Carbone J; Alecsandru D; Castillo-Rama M; García-Segovia A; Gil J; Alonso B; Aguarón A; Ramos-Medina R; Martínez de María J; Oliver-Miñarro D; Rodríguez-Mahou M; et al. (American journal of reproductive immunology (New York, N.Y. : 1989), 2012)