Thirteen subjects with essential hypertension controlled on oral enalapril (20 mg/day) therapy were entered into a protocol to assess serially 24-hour blood pressure, the renin-angiotensin-aldosterone system, angiotensin-converting enzyme activity, and plasma and urine enalaprilat drug levels, following both chronic oral administration of enalapril ...
Alexander Graham Bell is often credited as the inventor of the telephone since he was awarded the first successful patent. However, there were many other inventors such as Elisha Gray and Antonio Meucci who also developed a talking telegraph. Baker, Burton H. The gray matter: the forgotten story of the telephone. St. Joseph, MI, Telepress, 2000.
March 3, 1847 - August 2, 1922. Alexander Bell was born in Edinburgh, the 3 march 1847. He was the second of the three sons of Alexander Melville Bell , a scientist and author in the field of vocal physiology and elocution, and of Eliza Grace Symonds (1809-97), the daughter of a surgeon in the Royal Navy. His grandfather, Alexander Bell (1790-1865), was a professor of elocution in London.