Smoking has been associated with a potential weakening of the immune system in the cervix
Robinson, D.S., Ying, S., Bentley, A.M., Meng, Q., North, J., Durham, S.R., Kay, A.B., Hamid, Q., Relationship among numbers of bronchjoalveolar lavage cells expressing messenger ribonucleic acid for cytokines, asthma symptoms, and airway methacoline responsiveness in atopic asthma, J
These models contribute to the 3R concept [refinement, reduction and replacement] of animal experimentation which leads to reduction of animal utilization for research purposes [14]
doi: 10.1046/j.1365-2125.2003.01907.x
They can slightly improve bioavailability, but they don't come close to matching the efficiency of an injection
Estimation of hydrogen peroxide (H 2 O 2 ) The homogenates prepared in 0.1% TCA were used to estimate H 2 O 2 content 32