Table of contents

January 1990 - Volume 31 - 1

Research Article

Letter

Letters to the Editor

  • Reply (1 January, 1990)
    F P L Van Loon
  • Reply (1 January, 1990)
    M S Khuroo, Sher-I-Kashmir
  • Reply (1 January, 1990)
    Karin Ladefoged, Knud C Christensen