1992 年 9 巻 p. 193-196
Zinc concentration in serum on aged person (over 80 yrs old) was significantly lower than that on young person (20 yrs old level) in both sexes. Number of red blood cell, hematocrit value and concentration of total protein, albumin, total cholesterol and Ca in serum showed significantly positive correlation- ship with zinc concentration in serum on aged person but not on young person. Number of chief complaints showed negative correlationship with zinc concentration in serum on male aged person.