?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=ER&rft.au=Wan%2C+ER&rft.aulast=Wan&rft.date=June+2019&rft.title=SP040+24-hour+vs+Spot+Urinary+Sodium+and+Potassium+Measurements+in+Adult+Hypertensive+Patients%3A+A+Cohort+Validation+Study&rft.issn=1460-2385&rft.genre=proceeding