It demands discovery of new phenomenon or progress of recent principle or necessary development of new route, and many others. There isn't any equal of this "physician of sciences" degree inside the US educational procedure. It is about comparable to Habilitation in Germany, France, Austria and some other European international https://megabet333a70368.bloggip.com/39705443/5-simple-statements-about-educational-qualifications-of-matriculation-and-above-explained