[On the effectiveness of radiotherapy in patients with cancer of the upper segment of the esophagus by different methods].
L M
LM
GOL'DSHTEIN
M N
MN
BYCHENKOVA
L I
LI
ZALESSKAIA
D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms; D011878:Radiotherapy
ESOPHAGUS/neoplasms; RADIOTHERAPY