Could we be missing something when calculating the aldosterone-to-renin ratio?

aErzurum Training and Research Hospital: Erzurum Bolge Egitim ve Arastirma Hastanesi, Erzurum bEskisehir Osmangazi Universitesi Tip Fakultesi, Turkey Correspondence to Andaç Karadeniz, PhD, Erzurum Training and Research Hospital: Erzurum Bolge Egitim ve Arastirma, Hastanesi, Erzurum, Turkey. E-mail: [email protected]