@inbook{1119303347, author={David G. Gardner and Dolores Shoback}, title={Rangos normales de referencia para hormonas}, booktitle={Greenspan. Endocrinología básica y clínica, 9e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2012}, url={accessmedicina.mhmedical.com/content.aspx?aid=1119303347} }