Bjerrum, K. B. (2000). Primary Sjogren's syndrome and keratoconjunctivitis sicca: Diagnostic methods, frequency and social disease aspects. Munksgaard.
Dyfyniad Arddull ChicagoBjerrum, Kirsten Birgitte. Primary Sjogren's Syndrome and Keratoconjunctivitis Sicca: Diagnostic Methods, Frequency and Social Disease Aspects. Copenhagen: Munksgaard, 2000.
Dyfyniad MLABjerrum, Kirsten Birgitte. Primary Sjogren's Syndrome and Keratoconjunctivitis Sicca: Diagnostic Methods, Frequency and Social Disease Aspects. Munksgaard, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.