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Publications by Y. Helfrich

204 the Malignancy Potential of Porokeratosis: A Single-Center Retrospective Study

Journal of Investigative Dermatology

Molecular Biology

English

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The Volkmann Dogma: A Retrospective, Long-Term, Single-Center Study

European Journal of Trauma and Emergency Surgery

Sports Medicine

Emergency Medicine

Intensive Care Medicine

English

Lymphoma Associated Hemophagocytic Syndrome: A Single‑center Retrospective Study

Oncology Letters

Cancer Research

English

Corrigendum: Uterine Adenosarcoma: A Retrospective 12-Year Single-Center Study

Frontiers in Oncology

Cancer Research

English

The Use of Opioid Analgesics in Chronic Pain Therapy — A Retrospective, Single-Center Study

Palliative Medicine in Practice

English

Mercury-Associated Glomerulonephritis: A Retrospective Study of 35 Cases in a Single Chinese Center

English

Update on the Effect of Age on Acute Pancreatitis Morbidity: A Retrospective, Single-Center Study

Przeglad Gastroenterologiczny

Gastroenterology

English

Diagnostic Yield of EGD in Children: A Retrospective Single-Center Study of 1000 Cases

Gastrointestinal Endoscopy

Nuclear Medicine

Gastroenterology

English

Experience of Treatment of Prosthetic Valve Endocarditis: A Retrospective Single-Center Cross-Sectional Study

Sao Paulo Medical Journal

English

Cytomegalovirus Encephalitis in Immunocompetent Infant: A 15-Year Retrospective Study at a Single Center

International Journal of Infectious Diseases

Infectious Diseases

English