Head and Neck Medicine by Alexandros G.Sfakianakis: Response to the Letter to the Editor entitled, “Use of immortal time within survival analysis”: JAAD-D-18-01157

Σάββατο 8 Σεπτεμβρίου 2018

Response to the Letter to the Editor entitled, “Use of immortal time within survival analysis”: JAAD-D-18-01157

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