Research Article

Standardization of the one-stage prothrombin time test for the control of anticoagulant therapy: availability and use of thromboplastin reference preparations.

Br Med J 1971; 3 doi: https://doi.org/10.1136/bmj.3.5772.470 (Published 21 August 1971) Cite this as: Br Med J 1971;3:470

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview