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Deutsche Medizinische Wochenschrift (1946)|August 27, 1982
[Grading and staging of urinary bladder carcinomas (author's transl)]B Helpap, A GiesbertPathology, Research and Practice|July 1, 1981
[Regressive change in the rat prostate after castration. A study using histology, morphometrics and autoradiography with special reference to apoptosis (author's transl)]R Stiens, B HelpapPathology, Research and Practice|January 13, 2000
Atypical acinar proliferations of the prostateB Helpap, J KöllermannEuropean Urology|October 31, 2001
Neuroendocrine differentiation and short-term neoadjuvant hormonal treatment of prostatic carcinoma with special regard to tumor regressionJ Köllermann, B HelpapAmerican Journal of Clinical Pathology|July 13, 2001
Expression of vascular endothelial growth factor (VEGF) and VEGF receptor Flk-1 in benign, premalignant, and malignant prostate tissueJ Köllermann, B HelpapVirchows Archiv. A, Pathological Anatomy and Histology|September 21, 1976
[Intracytoplasmic inclusions within cells of the breast and their diagnostic significance (author's transl)]K Tschubel, B HelpapHuman Pathology|February 24, 1999
Proliferative pattern of exophytic and superficially invasive and noninvasive low-grade urothelial carcinomasB Helpap, J KöllermannPathologia Europaea|January 1, 1976
Tissue culture, electron microscopic and enzyme histochemical investigations of extraadrenal paragangliomasF Gullotta, B HelpapEndoscopy|November 1, 1981
Morphological changes in the terminal oesophagus with varices, following sclerosis of the wallB Helpap, L BollwegUrological Research|January 1, 1981
The cellular reaction of kidney after different physical injuriesB Helpap, V GroulsPageof 50