Click on the Word Wheel to browse indexes. Type / for OR, & for AND, and ! for NOT........For example:
tobacco / nicotiana gets tobacco OR nicotiana
tobacco & mosaic gets tobacco AND mosaic
tobacco ! greenhouse gets tobacco-related articles not dealing with greenhouse production
tobacco* gets tobacco, tobacco-related, tobaccos, etc.
Nicotiana w4 Bright gets Nicotiana w/in 3 words of Bright, e.g., for Nicotiana tabacum cv. Bright Yellow 2
Nicotiana p4 Bright gets Nicotiana precedes Bright by 4 words
2000:2006 gets from 2000 through 2006
For records new to the database since you last searched, search the DATE ADDED field, like this:
for records entered in the last 30 days, enter:
@date-30:@date