Columbia subject headings:
Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?
Science.
Harvard subject headings:
Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?--Contributions in science.
Princeton subject headings:
Medicine, Arab.
Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?