(Q34488960)
Statements
1 reference
Upper gastrointestinal endoscopy in the elderly (English)
1 reference
Lockhart SP
1 reference
Schofield PM
1 reference
Gribble RJ
1 reference
Baron JH
1 reference
1 January 1985
1 reference
26 January 1985
0 references
283-283
0 references