From The Lancet: Method and medicine

• 2 February 1991
• journal article
• editorial
• Published by Elsevier in The Lancet
• Vol. 337  (8736) , 267
• https://doi.org/10.1016/0140-6736(91)90871-l

Abstract

Keywords

• LANCET THIS ARTICLE
• ABSTRACT TO DISPLAY
• LANCET FROM THE LANCET