Invasive intrauterine procedures in twin pregnancies discordant for fetal malformation / Alajos Bolodár [et al.]
  Abstr. eng., ger., rus. - Presented at the 2nd International Symposium on the Pregnant uterus, May 22-24, 1986, Debrecen, Hungary
  In: Acta Chirurgica Hungarica. - ISSN 0231-4614. - 1990. 31. évf. 1. sz., p. 39-42.