<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://thesaurus.bhlscielo.org/vocab/pt">Ritmo Circadiano</topic></authority><related type="narrower"><topic>Crepuscular</topic></related><related type="narrower"><topic>Diurno</topic></related><related type="narrower"><topic>Noturno</topic></related><related type="broader"><topic>Ritmos biológicos</topic></related> <note xml:lang="pt"><![CDATA[ <p>Ciclo biológico que se completa e repete a cada 24 horas, como por exemplo ciclo de sono-vigilia.</p> ]]></note> <note xml:lang="en"><![CDATA[ <p>Biological cycles that are completed and repeat every 24 hours, such as sleep-awake cycle.</p> ]]></note> <note xml:lang="es"><![CDATA[ <p>Ciclo biológico que se completa y se repite a cada 24 horas, por ejemplo:el ciclo sueño-vigilia.</p> ]]></note></mads>