These days the problem of interchangeability of medical produces is one of the most exacting on the pharmacy market. As a rule the relations between different makers, original and generic, were always bad. There are a lot of generic drugs can be got on the web these days. It's normal that the genuine preparation developers feel offended. They spend great funds on the medication's formula research. Before the performance a drug on the market, there are made continuous researches. (more…)

The composition is about “Viagra” and other medications for the persons who want to get viagra. The finding of sildenafil became the third most significant finding in medicine after the discovery of X-rays and penicillin. Today it is called “Viagra”. People that researched penicillin and X-rays were given a Nobel Prize. And in fall of 1998 the same reward was awarded to the researchers of “Viagra”. In 1992 the discovery was done in Sandwich, Kent, the place where at that time “Pfizer” medical corporation had the laboratory. A new medical substance sildenafil citrate was under the study of the “Pfizer” scientists those days. They were developing medicine from various heart sicknesses. At first everybody thought to use it for increasing blood pressure in myocardium diminishing arterial pressure in the same moment. But after a few researches it was defined that sildenafil citrate doesn't have the anticipated result on the cordial muscle blood pressure the same as on the arterial pressure. And it was remarked that male patients that participated in the research refused to return the medication despite the test finishing. The reason of the denial was the similar among all the tested people. Everybody was saying about the improvement of the erection quality. It was the consequence of sildenafil effect that wasn't helpful for blood circulation in the heart but increased it in the masculine reproductive organs. (more…)

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