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Friis-Hansen B, Cooke R, Lunding M, Tygstrup I, Yssing M, Zachau-Christiansen B.Friis-Hansen B, et al. Among authors: yssing m.Nord Med. 1968 May 9;79(19):618-24.Nord Med. 1968.PMID: 5241691Danish.No abstract available.
Cooke R, Lunding M, Lomholt NF, Yssing M, Zachau-Christiansen B, Früs-Hansen B.Cooke R, et al. Among authors: yssing m.Z Gesamte Inn Med. 1966 Feb 15;21(4):498-508.Z Gesamte Inn Med. 1966.PMID: 4862258No abstract available.