Pařízek, A.; Drška, V.; Říhová, M. (Summer 2016). "Prague 1337, the first successful caesarean section in which both mother and child survived may have occurred in the court of John of Luxembourg, King of Bohemia". Ceska Gynekologie. 81 (4): 321–330. ISSN1210-7832. PMID27882755.
Pařízek, A.; Drška, V.; Říhová, M. (Summer 2016). "Prague 1337, the first successful caesarean section in which both mother and child survived may have occurred in the court of John of Luxembourg, King of Bohemia". Ceska Gynekologie. 81 (4): 321–330. ISSN1210-7832. PMID27882755.