Document 0131 DOCN M94A0131 TI 'Frontloading' or 'halfing' among injecting drug users in London [letter] DT 9412 AU Hunter GM; Donoghoe MC SO Addiction. 1994 Jun;89(6):755-6. Unique Identifier : AIDSLINE MED/94348368 DE Dose-Response Relationship, Drug Great Britain/EPIDEMIOLOGY Health Status Human HIV Seropositivity/COMPLICATIONS London/EPIDEMIOLOGY Risk-Taking Substance Abuse, Intravenous/*EPIDEMIOLOGY Support, Non-U.S. Gov't LETTER JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).