[The effect of age factors and season on the concentration of selenium in the blood of lambs].
D000375:Aging; D000818:Animals; D012621:Seasons; D012643:Selenium / Q000097:blood*; D012756:Sheep / Q000097:blood*
D012643:Selenium
Vplyv veku a rocného obdobia na koncentráciu selénu v krvnom sére jahniat.