Toshiyuki Iwahori

Urinary Sodium-to-Potassium Ratio Tracks the Changes in Salt Intake during an Experimental Feeding Study Using Standardized Low-Salt and High-Salt Meals among Healthy Japanese Volunteers

Robin A. Felder, J. Yatabe, K. Takano, 2017, Nutrients.

Six random specimens of daytime casual urine on different days are sufficient to estimate daily sodium/potassium ratio in comparison to 7-day 24-h urine collections

Toshikazu Shiga, Yoshitaka Murakami, T. Ohkubo, 2014, Hypertension Research.