Biological effect of Millimetre Radiowaves (mmWaves) – 1977 – declassified in 2012.

Studies with with rats and 97 persons working with generators of the mmWave range on the basis of systematic conducting of biological analyses.
See Documents: https://smombiegate.org/declassified-5g-document-released-before-anti-5g-campaigners-were-a-problem/?fbclid=IwAR2p6mQKnqGSnQvqWWAXPC5kxfmgU_4s-xgBfHf28wBinJAJaOB1ptB9fSY