A state study shows that half of Minnesota's low-income children in medical assistance programs aren't recieving primary or preventative care from their H-M-O's. Federal law requires certain developmental checkups for the kids, too, yet only 6-percent of the children and teens in these publicly funded programs are recieving such treatment. Mary Kennedy is assistant commissioner with the Department of Human Services. She says the children enrolled in these programs tend to be the ones who need preventative care most: