Gastroesopagel reflux disease

Topic – Gastroesopagel relex 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.