"Threshold-crossing": A Useful Way to Establish the Counterfactual in Clinical Trials? von Eichler, H.G, Bloechl-Daum, B, Bauer, P, Bretz, F, Brown, J, Hampson, L.V, Honig, P, Krams, M, Leufkens, H.G.M, Lim, R, Lumpkin, M.M, Murphy, M.J, Pignatti, F, Posch, M, Schneeweiss, S, Trusheim, M, Koenig, F

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Postsurgical follow-up study of patients with severe polypoid degeneration von Lumpkin, Samuel M. M., Bennett, Suzanne, Bishop, Sandra G.

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Chronic dysphonia secondary to gastroesophageal reflux disease (GERD): Diagnosis using simultaneous dual-probe prolonged pH monitoring von Lumpkin, Samuel M.M., Bishop, Sandra G., Katz, Philip O.

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