The Brief Smell Identification Test (B-SIT) is a rapid and effective 5-minute screening test. This 12-item version of the Smell Identification Test is useful for quantifying smell loss in situations where less than five minutes of time are available. Valuable in population surveys and general workplace studies. The odors are well known in most cultures. Percentile norms, based upon 4,000 subjects, are available within the B-SIT Administration Manual .If this is the first time ordering, we recommend purchasing the the Brief Smell Identification Test (B-SIT ) Administration Manual. Quantity: Ten pack.