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Background: The secretory immunoglobulin A (IgA) is the first line of defense against pathogens that invade mucosal surfaces. It has been reported that the immune system exhibits profound agerelate...
Pictures of 88 individuals were analyzed to compare children's faces from different age brackets and adults' faces and to work out if there are age dependent changes to the human face and their infl...
Cytosol and nuclear receptor concentrations in Sertoli cells isolated from the testes of 15-, 25-, and 35-day-old rats were measured using hydroxylapatite separation procedures. In these cells the m...

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