|Photodynamic ablation of high-grade dysplasia and early cancer in Barrett's esophagus by means of 5-aminolevulinic acid|
L Gossner, M Stolte, R Sroka, K Rick, A May, EG Hahn, C Ell
Gastroenterology 114 (3), 448-455, 1998
|Investigation on radiofrequency and laser (980 nm) effects after endoluminal treatment of saphenous vein insufficiency in an ex-vivo model|
CG Schmedt, R Sroka, S Steckmeier, OA Meissner, G Babaryka, ...
European journal of vascular and endovascular surgery 32 (3), 318-325, 2006
|Pharmacokinetics of 5-aminolevulinic acid-induced protoporphyrin IX in skin and blood|
K Rick, R Sroka, H Stepp, M Kriegmair, RM Huber, K Jacob, ...
Journal of Photochemistry and Photobiology B: Biology 40 (3), 313-319, 1997
|Effects of 780 nm diode laser irradiation on blood microcirculation: preliminary findings on time-dependent T1-weighted contrast-enhanced magnetic resonance imaging (MRI)|
M Schaffer, H Bonel, R Sroka, PM Schaffer, M Busch, M Reiser, ...
Journal of Photochemistry and Photobiology B: Biology 54 (1), 55-60, 2000
|Effects on the mitosis of normal and tumor cells induced by light treatment of different wavelengths|
R Sroka, M Schaffer, C Fuchs, T Pongratz, U Schrader‐Reichard, ...
Lasers in surgery and medicine 25 (3), 263-271, 1999
|Laser treatment of hyperplastic inferior nasal turbinates: a review|
P Janda, R Sroka, R Baumgartner, G Grevers, A Leunig
Lasers in Surgery and Medicine: The Official Journal of the American Society …, 2001
|Fluorescence endoscopy of gastrointestinal diseases: basic principles, techniques, and clinical experience|
H Stepp, R Sroka, R Baumgartner
Endoscopy 30 (04), 379-386, 1998
|Photodynamic ablation of early cancers of the stomach by means of mTHPC and laser irradiation: preliminary clinical experience|
C Ell, L Gossner, A May, HT Schneider, EG Hahn, M Stolte, R Sroka
Gut 43 (3), 345-349, 1998
|Protoporphyrin IX fluorescence and photobleaching during interstitial photodynamic therapy of malignant gliomas for early treatment prognosis|
A Johansson, F Faber, G Kniebühler, H Stepp, R Sroka, R Egensperger, ...
Lasers in surgery and medicine 45 (4), 225-234, 2013
|The diode laser: a novel side-firing approach for laser vaporisation of the human prostate—immediate efficacy and 1-year follow-up|
M Seitz, R Sroka, C Gratzke, B Schlenker, V Steinbrecher, W Khoder, ...
european urology 52 (6), 1717-1722, 2007
|Photodynamic destruction of high grade dysplasia and early carcinoma of the esophagus after the oral administration of 5‐aminolevulinic acid|
L Gossner, A May, R Sroka, M Stolte, EG Hahn, C Ell
Cancer 86 (10), 1921-1928, 1999
|Photodynamic therapy by means of 5-ALA induced PPIX in human prostate cancer–preliminary results|
D Zaak, R Sroka, M Höppner, W Khoder, O Reich, S Tritschler, ...
Medical Laser Application 18 (1), 91-95, 2003
|Comparison of thermal tissue effects induced by contact application of fiber guided laser systems|
P Janda, R Sroka, B Mundweil, CS Betz, R Baumgartner, A Leunig
Lasers in Surgery and Medicine: The Official Journal of the American Society …, 2003
|Biomodulative effects induced by 805 nm laser light irradiation of normal and tumor cells|
M Schaffer, R Sroka, C Fuchs, U Schrader-Reichardt, PM Schaffer, ...
Journal of Photochemistry and Photobiology B: Biology 40 (3), 253-257, 1997
|Photodynamic therapy of bladder cancer–a phase I study using hexaminolevulinate (HAL)|
MJ Bader, H Stepp, W Beyer, T Pongratz, R Sroka, M Kriegmair, D Zaak, ...
Urologic Oncology: Seminars and Original Investigations 31 (7), 1178-1183, 2013
|Laser therapy for upper urinary tract transitional cell carcinoma: indications and management|
MJ Bader, R Sroka, C Gratzke, M Seitz, P Weidlich, M Staehler, A Becker, ...
European urology 56 (1), 65-71, 2009
|The PolyScope: a modular design, semidisposable flexible ureterorenoscope system|
MJ Bader, C Gratzke, S Walther, B Schlenker, D Tilki, Y Hocaoglu, ...
Journal of endourology 24 (7), 1061-1066, 2010
|Impact of pulse duration on Ho: YAG laser lithotripsy: fragmentation and dusting performance|
MJ Bader, T Pongratz, W Khoder, CG Stief, T Herrmann, U Nagele, ...
World journal of urology 33 (4), 471-477, 2015
|Diode laser treatment of hyperplastic inferior nasal turbinates|
P Janda, R Sroka, S Tauber, R Baumgartner, G Grevers, A Leunig
Lasers in Surgery and Medicine: The Official Journal of the American Society …, 2000
|Efficacy of retrograde ureteropyeloscopic holmium laser lithotripsy for intrarenal calculi> 2 cm|
MJ Bader, C Gratzke, S Walther, P Weidlich, M Staehler, M Seitz, R Sroka, ...
Urological research 38 (5), 397-402, 2010