"PDR Supplements" provides important updates between annual editions. It fits neatly inside the front cover of the "PDR" where they always are available for ready reference.

Published twice yearly (June and October) the PDR(R) Supplements provide every important update between annual editions of the PDR(R) so that the physician need never again worry about missing the latest prescription drug developments. These Supplements fit neatly inside the front cover of the PDR(R) so that they are always available for ready reference.