title: Pleural fluid amylase--a clue to oesophageal rupture.
mesh_terms: D000681:Amylases / Q000378:metabolism*; D003937:Diagnosis, Differential; D004939:Esophageal Perforation / Q000175:diagnosis* / Q000201:enzymology; D005260:Female; D006801:Humans; D008875:Middle Aged; D010996:Pleural Effusion / Q000201:enzymology*; D012422:Rupture, Spontaneous
chemical_list: D000681:Amylases