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Rasmussen E, Ullman S, Høier-Madsen M, Sørensen SF, Halberg P.Rasmussen E, et al. Among authors: ullman s.Ugeskr Laeger. 1987 Jun 29;149(27):1803-7.Ugeskr Laeger. 1987.PMID: 3686717Danish.No abstract available.
Nielsen HA, Halberg P, Ullman S.Nielsen HA, et al. Among authors: ullman s.Ugeskr Laeger. 1977 Aug 8;139(32):1901-7.Ugeskr Laeger. 1977.PMID: 333682Danish.No abstract available.