·͸��ʢ��12��11�յ磨���� Will Dunham��    ï¿½ï¿½ï¿½ï¿½ï¿½Ð¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ä±ï¿½Ê¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ó¤ï¿½ï¿½ï¿½ï¿½È£ï¿½ï¿½ï¿½ï¿½ï¿½Äµï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Úµï¿½Ó¤ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ì±ï¿½Ä¼ï¿½ï¿½ï¿½Òªï¿½ß³ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ï¡ï¿½  
       �����о���ע�����������������34��36�����ڳ�����Ӥ�����йص����������⡣��������������������������ơ� 
       ���в�ѧ�ҡ��о�������Joann Petrini��March of Dimes������2000�굽2004������������141,321��Ӥ�����е��飬�����������������̱�ļ��ʴ�����������3.4����������ѧϰ�����Եȷ�����ַ�չ�ٻ��ļ���ҲҪ��������߳�25%��  
       Petrini�ڽ��ܵ绰�ɷ�ʱ˵��������֪���������е��о���ʾ���������������̱�ļ��ʸ��ߣ�������о�֤ʵ���������������̱�ļ������������������
       ��ǰ���о�����ʾ���������������������֢�����㡢���ͽ�ʳ����ļ���Ҳ���ߡ�  
       Petrini��ָ���˵����������Ӥ����������һЩ���أ�������׼�����У���Ů��͹��󡢻����֡����ò²¡ºÍ¸ï¿½ÑªÑ¹ï¿½Ä¸ï¿½Å®ï¿½ï¿½ï¿½ï¿½ï¿½Ü²ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½á»³ï¿½ÐµÄ¸ï¿½Å®ï¿½ï¿½ï¿½à£¬ï¿½Ô¼ï¿½Ô½ï¿½ï¿½Ô½ï¿½ï¿½ï¿½ï¿½Ê¸ï¿½ï¿½ï¿½Ó¤ï¿½ï¿½ï¿½ï¿½