$GTCH SAN DIEGO, March 16, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCH) ("GBT” or the “Company”) is researching Probabilistic Neural Network (PNN) algorithms and techniques for Kirlian research.
https://seekingalpha.com/pr/18233116-gbt-comm...niques-for
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