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.
Alexander Graham Bell was born on March 3, 1847, the second of 3 children, in Edinburgh, Scotland to Melville and Eliza Bell. Bellâs mother was deaf, and Bellâs father and grandfather, also named Alexander Bell, were elocutionists specializing in voice presentation, delivery, and other aspects of speech teaching.