Sensitivity of the Head to X-Ray

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Science  19 Jun 1964:
Vol. 144, Issue 3625, pp. 1470-1472
DOI: 10.1126/science.144.3625.1470


Rats have been trained to respond to signals consisting of very low doses of χ-ray directed to the head. This stimulus is probably received in the vicinity of the olfactory bulbs and adjacent neural structures.