Unusual Cause of Dysphagia.
Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
Shahram
S
Agah
Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
Ramak
R
Ghavam
Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
Ahmad
A
Darvishi Zeidabadi
Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
Arash
A
Sarveazad