saliva ferning microscopes
What do you guys think about the saliva ferning microscopes?
ETA I was partly wondering after reading some of this http://72.14.253.104/search?q=cache:-S1q8vIGciUJ:www.gfmer.ch/Endo/Fellows_11/Pdf/Saliva_ferning_test.pdf+ferning+saliva&hl=en&ct=clnk&cd=6&gl=us&client=firefox-a, see page 21.
ETA I was partly wondering after reading some of this http://72.14.253.104/search?q=cache:-S1q8vIGciUJ:www.gfmer.ch/Endo/Fellows_11/Pdf/Saliva_ferning_test.pdf+ferning+saliva&hl=en&ct=clnk&cd=6&gl=us&client=firefox-a, see page 21.