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1. The infection is to be prevented as soon as possible.

2. The doctor is known to be examining now the new patient admitted yesterday evening.

3. The virus found in the water had to be studied for its pathogenicity to man.

4. Professor A was well known for his experiments patients affected by hepatitis A virus.

5. The patient was able to make these infusions himself without special training.

6. The drug was used for the treatment of patient with hepatitis though it was known that this drug had unfavorable side effects.

7. The authorities of Oxford University sent a fax to invite Dr. N. to take part in the work of the VI-th International conference of gastroenterologists.

8. Still nobody knows how to prepare a solution with lower content of the substance.

9. In spite of the unfavorable atmospheric conditions the scientist could carry out his experiment.

10. New materials are being developed to reduce noise in our houses.

11. Urinalysis was made to reveal the presence of this microorganism in the urine.

12. Many factors are known as causative agents of the condition dangerous to man and animals.

13. Before P.I.Ivanovsky nobody had been able to prove the existence of viruses.

14. All the efforts now are directed to the prevention of spontaneous spread of the virus.

15. Even small doses of the test substance were shown to produce sharp rises of blood pressure.

16. This substance is to be taken intravenously two – three times a day before meals.

17. When my daughter began to take this medicine she was getting better.

18. To analyze the results of the experiment was not easy because no suitable program existed at that time.

19. The cell is the smallest unit of living matter capable of independent life.

20. Water pollution caused by sewage water discharge made it unsuitable both for drinking and living of water animals.

21. It was difficult to make the final diagnosis.

22. Celsius belongs to the Golden period of Latinity and rightly deserves the title of the Cicero in medicine.

23. It is necessary to purify polluted water by this method before using.

24. Depressed reactions are caused in some animals to some endotoxins.

25. It was imperative to improve the general condition of the patient before undertaking any definite surgery.

26. To control any existing hemorrhage is necessary when the wounded patient is given the first aid.

27. I apply to you as a most prominent figure in the field of pulmonary pathology.

28. The situation is to be studied more attentively in the next few weeks.

29. To find peritonitis was possible at laparotomy.

30. When shock is not obvious it is possible to send the unconscious patient to the X-ray department.

31. To know the cause of a disease is very important both for its treatment and prevention.

32. Microorganisms are known to be not only harmful but also helpful to man.

33. Our task is realization of the study to confirm the primary results obtained two days ago.

34. To open the wound is necessary before dressing.

35. To clear promptly the respiratory tree is a possibility to save a life of a patient.

36. The incubation period lasts from five to ten days.

37. To prevent diseases is one of the most important tasks of modern medicine.

38. To protect people’s health is the main duty of each physician.

39. The patient came to the doctor for a prescription.

40. Appetite usually returns to normal after the first few days and the patient need not stay in bed.

41. Confinement to bed during fever is advisable to prevent complications.

42. An adequate pressure bandage is able to eliminate the dead space.

43. Special attention has been directed toward two types of the disease due to which virus infection occurs.

44. If the wound becomes infected it is necessary to defer closure until it is granulating clearly.

45. Fundamentally a doctor has to have a love of life and living things.

46. Anatomy and physiology contribute to the formation of a scientific outlook of the student.

47. Food passes to the stomach through esophagus.

48. After the graduation from the higher medical school the doctor begins to think and act as a doctor, but must always remain to be a medical student.

49. Sometimes it is difficult to say whether poor growth and development in a child is caused by illness.

50. To calm the child the doctor gave him one of the toys he always kept in his reception room.

51. Scientists are working to develop drugs which have less serious side effects.

52. Children should be followed by pediatrician from their birth up to the age of 16.

53. Under the influence of the drug tumour began to shrink (уменьшаться).

54. Most physicians try to avoid using drugs if possible.

55. Epidemics of flu are known to occur every 3 – 4 years.

56. The drug is likely to produce undesirable toxic effects on the liver.

57. The experiment was performed to confirm the results obtained.

58. The first medical school to teach students to dissect bodies was in Alexandria.

59. The invention of gunpowder in the sixteenth century helped surgery to develop.

60. Hypotension was the result of circulatory insufficiency due to the defect in blood valves of the lower extremities.

61. In the eighteenth century doctors began to use scientific methods to treat disease but they did not use these methods to try to prevent it.

62. To deliver nutrients to body tissues and organs proper blood circulation is necessary.

63. The individual doctor in the Third World often struggles to provide health care in an unhealthy environment.

64. To characterize the chemical nature of this factor the substance was treated with trypsin.