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In different Paramecium tetraurelia strains the occurrence of a Ca2+-ATPase (or p-nitro-phenylphosphatase) activity at the preformed attachment and exocytosis sites of the secretory vesicles(More)
Differential diagnosis between carcinoma and chronic pancreatitis can be dubious preoperatively, and difficult and dangerous intraoperatively. Even histology can be misleading, because of peritumoral(More)