Soziale und gesellschaftliche Probleme, wie Klimawandel oder Luftverschmutzung, stellen wichtige Themen dar, der sich sowohl die Politik als auch die breite Masse der Bevölkerung annehmen sollte. 1 Einleitung

uring the reign of the fourth Qajar king, Naser-ad-Din Shah (who reigned from 1848–1896), the Chief Minister, Amir Kabir, was involved in modernization of Iran. He founded the first modern higher educational institute in Iran the so called “Dar al-Fonun” (House of Techniques) in 1851. One of the subjects taught there was medicine; now, it is considered a major step in promulgation of modern med...

Accurate assessment of gestational age, fetal growth, and the detection of fetal and placental abnormalities are major benefits of sonography. Color Doppler can be used to assist in the identification of vascular architecture, detection of vascular pathology and visualization of blood flow changes associated with physiologic processes and disease states. The clinical applications of obstetrical...

A 13 year old female presented with ambiguous external genitalia, right inguinal ovotestis, left ovary, apparently normal Mullerian system, and absent Wolffian system. Cultured lymphocytes showed a 46,XX/46,XY karyotype. Histopathology of the gonads confirmed true hermaphroditism. The presence of two genetically different erythrocyte populations was observed. The findings suggested that the pat...