Endoscopic ultrasound-guided fine-needle aspiration of solid pancreatic masses with rapid on-site cytological evaluation by endosonographers without attendance of cytopathologistsTakuto Hikichi, Katsutoshi Obara, Tadayuki Takagi et al.|Journal of Gastroenterology|2009Cited by 132
Endoscopic Ultrasound-Guided Fine-Needle Injection of Immature Dendritic Cells Into Advanced Pancreatic Cancer Refractory to GemcitabineAtsushi Irisawa, Hiromasa Ohira, Hitoshi Ohto et al.|Pancreas|2007Cited by 101
Conventional versus contrast-enhanced harmonic endoscopic ultrasonography-guided fine-needle aspiration for diagnosis of solid pancreatic lesions: A prospective randomized trialMitsuru Sugimoto, Hiromasa Ohira, Katsutoshi Obara et al.|Pancreatology|2015Cited by 81
Prospective evaluation of the optimal number of 25‐gauge needle passes for endoscopic ultrasound‐guided fine‐needle aspiration biopsy of solid pancreatic lesions in the absence of an onsite cytopathologistRei Suzuki, Hiromasa Ohira, Katsutoshi Obara et al.|Digestive Endoscopy|2012Cited by 57
Derived neutrophil/lymphocyte ratio predicts gemcitabine therapy outcome in unresectable pancreatic cancerRei Suzuki, Hiromasa Ohira, Tadayuki Takagi et al.|Oncology Letters|2016Cited by 50