Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Sgt. Humphries, USA, and Pfc. Banker, USA, working at the Rh factor bench
Sgt. Humphries, USA, and Pfc. Banker, USA, working at the Rh factor bench
The two servicemen sit at a bench in a laboratory doing an Rh run, one step in the process of doing a type and crossmatch. Humphries sits in front of trays filled with upright test tubes containing blood and writes on a chart. Banker sits next to Humphries and is in the process of testing a sample from one of the test tubes. In the background two other servicemen sit and work at the end of the same bench.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)