Fluorine intoxication : a clinical study : with a review of the literature and some
experimental investigations / by Kaj Roholm, 1937
https://en.wikipedia.org/wiki/Kaj_Roholm, 2016-06-24
Information trouvée : Kaj Roholm (1902-March 29, 1948) was a Danish scientist and researcher best known
for his study of fluorine and fluoride toxicity