They decided to study 4,000 patients, all within 10 days of having had a heart attack.

They studied 397 patients for an average of 64 months.

He had also studied more than 20,000 patients in total.

They studied patients who had recovered from heart attacks and followed up 30 months later.

They suggested that he might want to join the first group of patients being studied at the Syracuse center.

Clinical data of the patients studied are given in Table I.

At least two of these tests were positive in all the patients studied at entry.

Of 2,659 patients studied at two large public hospitals, nearly 30 percent had inadequate functional literacy.

The researchers studied 293 patients with bipolar disease at 15 medical centers nationwide.

These reports, however, were based mainly on small groups of patients studied for short periods of time.