Study of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies
Jain, Anil K
Study of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies - 67 p.
617 J199S
Study of upper gastrointestinal tract mucosa in chronic smokers by serial endoscopic biopsies - 67 p.
617 J199S