^Berg, K. (1978). "The Nobel prize in physiology and medicine 1978. Nobel prize to a controversial research field". Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke. 98 (34–36): 1741–1742. PMID725894.
Lagerkvist, U (October 1978). "To split a gene". Läkartidningen (dalam bahasa Swedish). 75 (43): 3892–4. PMID279742.CS1 maint: unrecognized language (link)