RT Journal Article SR Electronic T1 Pharyngoesophageal diverticulum in each of three sisters JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 207 OP 214 VO 35 IS 4 A1 Groves, Laurence K. YR 1968 UL http://www.ccjm.org/content/35/4/207.abstract AB