TY - GEN AU - KLAYMAN,M I TI - The diagnosis of esophageal carcinoma by exfoliative cytology, including two cases of cardiospasm associated with carcinoma of the esophagus SN - 0003-4819 PY - 2003///0501 KW - Aged KW - Carcinoma KW - Esophageal Achalasia KW - complications KW - Esophageal Neoplasms KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.7326/0003-4819-43-1-33 ER -