Sildenafil use in patients with nutcracker oesophagus hypertensive peristalsis

this topic is a therapeutic review on the use of sildenafil in patients with nutcracker oesophagus. I expect a thorough research to be done on this  although i have attached extra  articles that i want the writer to critically analyse and  review. I want the reference to be cited inthe text  appropriately with VANCOUVER STYLE REFERENCE  and also i want the essay to have vancouver reference