Smith PA, Kuster N, Ebert S, Chevalier H-J (2007):

This study by Smith and colleagues was done under the auspices of the EU Commission's PERFORM-A program. It attempted to overcome some of the shortcomings that had been present in other carcinogenicity studies in animals. A total of 1170 rats were included. In 6 groups of 65 males and 65 females the rats were exposed to either a 902 MHz GSM signal, or to a 1747 MHz DCS signal, at 3 different SAR levels 0.44, 1.33, or 4.0 W/kg). One additional group was sham-exposed for each modulation, and a further group was used as cage controls. Fifteen male and 15 female rats in each group were sacrificed at 52 weeks for necropsy examination, while the survivors were killed at 104 weeks. Evaluations during the study included mortality rate, clinical signs, recording of palpable masses, body weight, food consumption, ophthalmoscopic examination, and clinical pathological examination. Terminal investigations included organ weight measurements and macroscopic and microscopic pathology examinations.

There was no adverse response to the RF-exposure. In particular, there were no significant differences in the incidence of primary neoplasms, and the number of benign and malignant neoplasms between the rats exposed to wireless communication signals and rats that were sham exposed.

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