The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Based on efficacy and tolerability, the dose may be increased to 100 mg or decreased to 25 mg. The maximum recommended dose is 100 mg.
Ivan IV, Ivan the Fourth, also known as Ivan the Terrible, was the first ruler of Russia to give himself the title tsar. This happened in 1547. The first czar of Russia was Ivan IV (Grozny) Before that sovereigns of Russia used title The Great Knyaz. Ivan Grozny was the first Russia's sovereign, who officially used the Czar in title. Both part were used together - Czar and the Great Knyaz.
St. Petersburg, Russia was founded by Tzar Peter the Great in 1703 and was named after St.Peter, the Apostle. St. Petersburg, Florida was named after St. Petersburg, Russia. â¦ The name was given by Peter Demens (born Piotr Dementyev) - Russian immigrant turned railway entrepreneur, who brought railway line to Pinellas Peninsula.