10. Ionescu A. (1998). <em>Contribuții privind validarea unor metode de determinare a capacității de efort anaerob la sportivii de performanță</em>, Editura Univ. De Medicină și Farmacie Carmen Davila, Bucharest.
21. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://anatomie.romedic.ro/inima-cordul">http://anatomie.romedic.ro/inima-cordul</ext-link>, accessed on 22 June 2017;
22. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://anatomie.romedic.ro/inima-cordul">http://anatomie.romedic.ro/inima-cordul</ext-link>, accessed on 22 June 2017;
23. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.ymed.ro/revolutia-cardiaca/">http://www.ymed.ro/revolutia-cardiaca/</ext-link>, accessed on 23 June 2017.