The City of St Louis used to wait until a child tested positive for lead poisoning before inspecting their home and removing any lead hazards, however, now an initiative inspects and clears pregnant women's housing prior to the child's birth to prevent future harm... Source - http://www.medicalnewstoday.com/articles/242497.php
কোন মন্তব্য নেই:
একটি মন্তব্য পোস্ট করুন