Length of sponsorship is 1 year. Call for list of Special Interest Pages. Your banner will appear at the bottom of the 23 Special Interest Pages on the BIO web site, in rotation. Clicking on your banner will take the visitor to your web site. Length of sponsorship is 90 days.
All payments are final.
Advertisements will not be printed until payment is received. Rates are definite. No agency or other discounts are permitted. Supplied negatives should be provided reading emulsion down, with 133 or 150 line. Camera-ready artwork may be provided instead of negatives.