reflux esophagitis has improved dramatically since PPIs became available in 1989. PPIs provide rapid symptomatic relief and heal-ing of esophagitis in the highest percentage of patients. A systematic review of 7 trials that evalu-. Esophagitis Asthma Reflux in infants with laryngomalacia: results of 24-hour double-probe pH monitoring. Otolaryngol Head Neck Surg 1999; 120:860.
Soon after, John Wright of Birmingham, England discovered that potassium cyanide was a suitable electrolyte for gold and silver electroplating. Wright's associates, George Elkington and Henry Elkington were awarded the first patents for electroplating in 1840.
A formal gold specie standard was first established in 1821, when Britain adopted it following the introduction of the gold sovereign by the new Royal Mint at Tower Hill in 1816. The United Province of Canada in 1853, Newfoundland in 1865, and the United States and Germany (de jure) in 1873 adopted gold.