Viscoelastic measurements of sublingual saliva thinning minimums are employed reliably to determine the approach of ovulation in females and other related hormonal and rheological functions....http://www.google.fr/patents/US4779627?utm_source=gb-gplus-shareBrevet US4779627 - Process and apparatus for determining female ovulation time by measurement of saliva viscoelasticity
Process and apparatus for determining female ovulation time by measurement ...
