Patients can be with changes.Logical formLearned from25 sentences. Patients can be with (polycythemia vera).Logical formLearned from25 sentences. Differences may be observed between patients.Logical formLearned from25 sentences. Patients can be with essential hypertension.Logical formLearned from25 sentences. Some patients may require treatment.Logical formLearned from25 sentences. A clinical trial can be constituted-of-or-filled-with some patients.Logical formLearned from25 sentences. Patients can be old.Logical formLearned from25 sentences. Patients can be with (angina pectoris).Logical formLearned from25 sentences. Some patients may develop complications.Logical formLearned from25 sentences. Treatments can be for patients.Logical formLearned from25 sentences. Patients can be involved.Logical formLearned from25 sentences. A description may pertain-to a patient.Logical formLearned from25 sentences. Ratings may pertain-to patients.Logical formLearned from25 sentences. (Heart attack patients) can be elderly.Logical formLearned from25 sentences. A patient can be with (heart disease).Logical formLearned from25 sentences.