The immune systems of mice reared in clean and in dirty conventional laboratory farms. Iii. Ability of old mice to be sensitized to undergo a secondary antibody response.
Biochemistry, Metabolism:, Growth:, Life-History Effects:, Organs:, Serology: Antigen,, Strains: C3H/AN, C57BL, Unknown:
J Gerontol 1971; 26:515-20.