1. Validity of predictive equations for 24-h urinary potassium excretion based on timing of spot urine collection among adults: the MESA and CARDIA Urinary Sodium Study and NHANES Urinary Sodium Calibration Study. Issue 3 (11th September 2018) Authors: Mercado, Carla I; Cogswell, Mary E; Loria, Catherine M; Liu, Kiang; Allen, Norrina; Gillespie, Cathleen; Wang, Chia-Yih; de Boer, Ian H; Wright, Jacqueline Journal: American journal of clinical nutrition Issue: Volume 108:Issue 3(2018) Page Start: 532 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗