Low urinary dopamine excretion associated to low sodium excretion in normotensive Piaroa Amazonian ethnia compared to urban subjects / Reducción en la excreción de dopamina urinaria asociada a una baja excreción de sodio en etnia Piaroa Amazónica comparada con sujetos urbanos

The objective of this work was to compare urinary dopamine, noradrenaline, adrenaline, sodium and potassium excretion in a group of normatensive Piaroa Amazonic ethnia who do not use salt in their regular food intake, against a group urban normotensive citizens known to have a high salt intake in their regular meals