Document 0054 DOCN M94A0054 TI Bad example [letter] DT 9412 AU Martin JF SO Nature. 1994 Sep 8;371(6493):97. Unique Identifier : AIDSLINE MED/94352421 DE Acquired Immunodeficiency Syndrome/*ETIOLOGY Ethics Human Nobel Prize Polymerase Chain Reaction LETTER JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).