Since 1998 till 2001 Nisan was a Head Lecturer of Optometry and Contact Vision correction Course of Vision disease Department at the Federation Institute for Biomedical Problems of the Healthcare Ministry of the Russian Federation.
Nisan | Bella Coola | Ahmed Ben Bella | Bella Union Hotel | Bella Davidovich | Bella | La Fea Más Bella | Bella Union | Bella Italia | Bella Freud | Bella Bella | Nisan Stewart | Marcella Bella | Kha b-Nisan | C.A. Bella Vista | Bella Vista | Bella Unión | Bella Sara (video game) | Bella (ethnic group) | Bella Akhmadulina | Bella Abzug | V.J. Bella | Terra Bella, California | Robert Bella | Rachael Bella | La Fea Mas Bella | La Bella | Gianni Bella in ''Canzonissima | Escuela Bella Vista | Doña Bella |