title: Letter: Hypertension and hydronephrosis.
mesh_terms: D000804:Angiotensin II / Q000097:blood; D006801:Humans; D006869:Hydronephrosis / Q000150:complications* / Q000503:physiopathology; D006977:Hypertension, Renal / Q000097:blood / Q000209:etiology* / Q000503:physiopathology; D007668:Kidney / Q000503:physiopathology; D012083:Renin / Q000097:blood
chemical_list: D000804:Angiotensin II; D012083:Renin