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 · 205 citations · Full text

Medicine, Internal Medicine, Gastroenterology +15

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

Medicine, Orthopedic Surgery, Bone Metabolism +16

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 · 156 citations

Medicine, Psychiatry, Adult Psychiatry +10

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

Medicine, Pathology, Diagnostic Pathology +16

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

Social Sciences, Psychiatry, Psychology +11