Alcohol may be involved in a progression to use.Logical formLearned from2 sentences. A progression may pertain-to smokers.Logical formLearned from2 sentences. Clinical studies can be constituted-of-or-filled-with (disease progression).Logical formLearned from2 sentences. Research can be into a progression of disease.Logical formLearned from2 sentences. (Progression patterns) can be in humans.Logical formLearned from2 sentences. Normalization of (plasma zinc) may be associated with a (disease progression).Logical formLearned from2 sentences. (Zinc supplementation) may delay (disease progression).Logical formLearned from2 sentences. Resistance can be to infection of (disease progression).Logical formLearned from2 sentences. (Disease progression) may undergo an infection.Logical formLearned from2 sentences. Biological factors may influence (disease progression).Logical formLearned from2 sentences. A progression can be to (drug dependency).Logical formLearned from2 sentences. A factor can be in a progression to (drug dependency).Logical formLearned from2 sentences. Viral load can be a predictor of a risk of (disease progression).Logical formLearned from2 sentences. Factors may influence a progression.Logical formLearned from2 sentences. An allele can be on (smoking progression).Logical formLearned from2 sentences.