rig·or·ism 
(rĭgə-rĭz′əm)
(rĭgə-rĭz′əm)n.
Harshness or strictness in conduct, judgment, or practice.
rigor·ist n.
rig′or·istic adj.
- immunogeneticist
- immunogenetics
- immunogenic
- immunogenicity
- immunoglobulin
- immunoglobulin A
- immunoglobulin D
- immunoglobulin E
- immunoglobulin G
- immunoglobulin M
- immunologic
- immunological
- immunologically
- immunologist
- immunology
- immunoreaction
- immunoreactive
- immunoreactivity
- immunostimulant
- immunosuppressant
- immunosuppressed
- immunosuppression
- immunosuppressive
- immunotherapeutic
- immunotherapist