Comment on

• Polymerase chain reaction to detect hepatitis B virus DNA and RNA sequences in primary liver cancers from patients negative for hepatitis B surface antigen.

  Paterlini P, Gerken G, Nakajima E, Terre S, D'Errico A, Grigioni W, Nalpas B, Franco D, Wands J, Kew M, et al. Paterlini P, et al. N Engl J Med. 1990 Jul 12;323(2):80-5. doi: 10.1056/NEJM199007123230202. N Engl J Med. 1990. PMID: 2359427