121991 — Best & Original

Depending on the specific database you are using, "121991" may also refer to:

One of the most prominent documents associated with this timeframe and topic (specifically from 1991) is a report published by the under the Assistant Secretary for Planning and Evaluation (ASPE) . 121991

Some scientific platforms use this ID to categorize highly cited articles regarding the development of protein-resistant surfaces and non-fouling materials. Depending on the specific database you are using,