Gastroesopagel reflux disease

Instruction.must include (1) pathophysiology of the disease( disease manifestation like genetic, what happen in the disease) 

2)  epidemiology of the disease ( how many individual are affected in the population at a given period).

3) patient presentation( sign and symptons)  of the diseaae

5) treatment   of the disease

  

Must include the references.

APA FORMAT OR MLA.