Strudy of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies
Jain, Anil K
Strudy of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies - 67 p.
610 J199L
Strudy of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies - 67 p.
610 J199L