CBSE Class 9
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Science
Organization in Living World
Lesson 2 of 5 • 7 upvotes • 15:00mins
Peptic ulcers Cause Robin Warren Barry Marshall Infections Diseases Bacterial and Viral diseases
5 lessons • 1h 9m
Introduction and Terms (in Hindi)
15:00mins
Peptic Ulcers and Infectious Diseases (in Hindi)
Means of Spread of Diseases (in Hindi)
Principles of Treatment and Prevention (in Hindi)
Final Summary and Some Questions (in Hindi)
9:37mins