Guide to “Per Rectal” Administration of Opiates Safer InjectionGuest UserJanuary 24, 2020text, routes of administration, ROA, drug user health, drug use health, booty bumping, booty, bump, per rectal, rectal, rectal administration, rectally, rectum, anus, anal, boof, boofing, plugging, plug, alternatives, absorption, bioavailability, opioids, safe sex, safer sex, sex, protection, condoms, training guide, batch1