Soleilhavoup J P, Croute F, Tixador R, Blanquet Y, Planel H
C R Seances Soc Biol Fil. 1975;169(2):426-9.
Paramecia cultures placed at 3800 meter altitude, show a proliferating activity acceleration if we compared them to control cultures placed at low altitude under the same environment conditions. These results confirm the cosmic irradiation influence upon the activating effect produced by the natural ionizing radiations on living organisms.