The theme we want to disclose in our article is dedicated to persons who need to buy viagra. The discovery of sildenafil became the third most significant finding in medicine after the finding of X-rays and penicillin. Sildenafil is famous nowadays as “Viagra” and other medical names. People that researched penicillin and X-rays were given a Nobel Prize. And in autumn of 1998 the similar reward was adjusted to the discoverers of sildenafil. The earliest tests began in 1992. It happened in the city that was called Sandwich, Kent, where “Pfizer” corporation had its lab. The researchers made clinical tests of a new officinal matter - sildenafil citrate. They were developing drug from various heart sicknesses. The first purpose of the new substance anticipated to be in increment of the blood pressure in myocardium by the means of releasing arterial blood pressure. But it was observed that sildenafil citrate doesn't have important impact neither on blood circulation in the myocardium nor arterial pressure. But in the same moment researchers observed that male patients who participated in the experiments didn't want to return the medicine back. The reason of the refusal was the same among all the patients. Everybody was speaking about the betterment of their erection grade. It was the consequence of sildenafil influence that wasn't useful for blood circulation in the myocardium but increased it in the masculine reproductive organs. Read the rest of this entry »

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