Torstein Lyberg (2 June 1947 – 12 October 2021) was a Norwegian maxillofacial surgeon and medical researcher. He was a research director at Oslo University Hospital and authored around 300 papers in medical journals. According to Google Scholar he is cited around 12,000 times in scientific literature and has an h-index of 60. He was described in the ''Journal of the Norwegian Medical Association'' as "one of the giants of Norwegian maxillofacial surgery and research."
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