Johannes Wittmann

Cholangiocarcinoma and dominant strictures in patients with primary sclerosing cholangitis

Michael H. Chapman, George Webster, Selina Bannoo et al. · European Journal of Gastroenterology & Hepatology · 2012 · 200 citations · Full text

Longitudinal Study of Bone Turnover after Acute Spinal Cord Injury¹

David C. S. Roberts, Winnifred Lee, Ross C. Cuneo et al. · The Journal of Clinical Endocrinology & Metabolism · 1998 · 170 citations · Full text

Endoscopic ultrasound‐guided tissue sampling by combined fine needle aspiration and trucut needle biopsy: a prospective study

Johannes Wittmann, G Kocjan, Spiros Sgouros et al. · Cytopathology · 2006 · 154 citations

The impact of the duration of untreated psychosis prior to first psychiatric admission on the 15-year outcome in schizophrenia

Ronald Bottlender, Tesuya Sato, Markus Jäger et al. · Schizophrenia Research · 2003 · 154 citations

15-Year Outcome, Psychiatry, Psychotic Disorder +9

The Kraepelinian dichotomy: preliminary results of a 15-year follow-up study on functional psychoses: focus on negative symptoms

Hans‐Jürgen Möller, Ronald Bottlender, Anke Groß et al. · Schizophrenia Research · 2002 · 75 citations

Experimental Psychopathology, Psychological Co-morbidities, Neuropsychology +13