(Q42008251)
Statements
1 reference
Upper esophageal ring (English)
Upper Esophageal Ring (English)
1 reference
P. B. Lesser
P. Moyer
P. J. Andrews
1 May 1978
1 reference
1 reference
88
1 reference
5
1 reference
657-658
1 reference
Identifiers
1 reference
1 reference