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.
Periodical. Salle, A. J., Pamela H. Byatt, and Gregory J. Jann. "Variation in Pigment Production in Staphylococcus aureus." Journal of Bacteriology 55, (1948): 787-792. Article. 6 Images.. Journal of Bacteriology