@inbook{1139748741, author={Gerald Karp}, title={Algunas palabras para el estudiante}, booktitle={BiologĂ­a celular y molecular. Conceptos y experimentos, 7e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessmedicina.mhmedical.com/content.aspx?aid=1139748741} }