Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1956 Nov;77(5):299-304.

Selection of Hemophilus pertussis strains for vaccine production in the mouse protection test in a balanced design; critical appreciation of the method

H H COHEN, G J LEPPINK
  • PMID: 13385498

Selection of Hemophilus pertussis strains for vaccine production in the mouse protection test in a balanced design; critical appreciation of the method

H H COHEN et al. J Immunol. 1956 Nov.
No abstract available

PubMed Disclaimer