conclusions this study shows lower anti-hbs among students who were vaccinated at infancy compared to those vaccinated at older childhood or adolescence. also, subsequent measurement of anti-hbs level at the time of entrance to university is recommended for all previously immunized students. results vaccination coverage rates were 74.1%. about half the participants didn’t show serological evide...

Cholera toxin (CT) was discovered exactly half a century ago by S.N. De. We have come a long way since this epoch-making discovery. Retrospectively, science had to wait a long time since Koch's prediction of the existence of a toxin, and its actual discovery by De. CT is not just another enterotoxin that causes the signs and symptoms of the dreaded disease, cholera. It is unique in many respect...

Nowadays, it is not questioned that the blood-brain barrier plays an extremely important role in isolating central nervous system structures from peripheral tissues, but early stages of medical research and life sciences, its existence was clearly defined. A better understanding real structure took a long time needed new techniques. Currently, researchers are still focusing on conditions like m...

The Quran and Hadiths including Infallibles (AS) Hadiths such as Imam Sadegh (AS) were one of compilation references, and also, one of the fields of research for Arabs morphologists from long time ago. Imam Sadegh’s (AS) Hadiths based on Sunni’s lexicon, and then, based on another Islamic science books will be illustrated in this research in order to identify where these Hadiths hav...