An aortic regurgitation can be chronic.Logical formLearned from9 sentences. Stasis can be chronic.Logical formLearned from9 sentences. A hyperventilation can be chronic.Logical formLearned from9 sentences. Inputs can be chronic.Logical formLearned from9 sentences. Anemias can be chronic.Logical formLearned from9 sentences. Patients can be with chronic constipation.Logical formLearned from9 sentences. A (work stress) can be chronic.Logical formLearned from9 sentences. Parasitic infections can be chronic.Logical formLearned from9 sentences. A (shellfish consumption) can be chronic.Logical formLearned from9 sentences. (Lifestyle diseases) can be chronic.Logical formLearned from9 sentences. A (health hazard) can be chronic.Logical formLearned from9 sentences. Episodes can be chronic.Logical formLearned from9 sentences. A program can be chronic.Logical formLearned from9 sentences. An ethanol can be chronic.Logical formLearned from9 sentences. (Traffic woes) can be chronic.Logical formLearned from9 sentences.