Unpublished abstracts can be invaluable.
Kerman University of Medical Sciences, Kerman, Iran;
Shirin
S
Shakiba
Urology Department, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran;
Behnam
B
Shakiba
Otolaryngology Department, Imam Reza hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
Shirin
S
Irani