(Progression routes) can be unclear.Logical formLearned from3 sentences. Emphasis can be on a progression of a child.Logical formLearned from3 sentences. Matter may undergo a progression.Logical formLearned from3 sentences. An economy may undergo a progression.Logical formLearned from3 sentences. A progression can be theological.Logical formLearned from3 sentences. Bph may undergo a progression.Logical formLearned from3 sentences. Progression can be within a company.Logical formLearned from3 sentences. Expectations may undergo a progression.Logical formLearned from3 sentences. Alcohol may undergo a progression.Logical formLearned from3 sentences. A progression can be to abuse.Logical formLearned from3 sentences. An addiction may undergo a progression.Logical formLearned from3 sentences. A progression can be to dependence.Logical formLearned from3 sentences. A progression can be from use of marijuana.Logical formLearned from3 sentences. Mechanisms may underly a progression.Logical formLearned from3 sentences. Some patterns can be constituted-of-or-filled-with progression.Logical formLearned from3 sentences.