PTTC - NW - Webinar - The Benefits and Costs of Prevention (May 27, 2021) - Complete Video - PTTC - NW Friday June 4, 2021 3:46 PM Northwest Prevention Technology Transfer Center (PTTC - NW) Source https://vimeo.com/559207649 Information Set Membership PTTC - NW - Webinar - The Benefits and Costs of Prevention (May 27, 2021) - Information Set