Urinary excretion of GAA in essential hypertension Post by: Admin January 1, 1988 No Comment No abstract available. Takano Y, Gejyo F, Shirokane Y, Nakajima M, Arakawa M. Urinary excretion rate of guanidinoacetic acid in essential hypertension. Nephron. 1988;48(2):167-8. doi: 10.1159/000184902. PMID: 3344058. Categories: Pathophysiology