51.   The next step is to Decide whether or not to go ahead.

52.   The next step is to make technical progress endogenous to the model.

53.   The next step is to obtain arterial blood gas measurements.

54.   The next step is to put them into practice.

55.   The next step was to chemically link these highly specific antibodies to small magnetised polystyrene spheres.

56.   The next step was to devise a budget allocation procedure that reflected the health needs of different areas.

57.   The next step was to obtain finance to develop the project.

58.   The next step was to turn reality on its head.

59.   The next step will be to make the pasta sauce.