Temte Jonathan L
University of Wisconsin, Department of Family Medicine, Madison, WI 53715, USA.
BMJ. 2006 Mar 25;332(7543):715-8. doi: 10.1136/bmj.332.7543.715.
Is the recent US recommendation for vaccination of all children against hepatitis A one shot—or rather two shots—too many?
美国最近建议所有儿童接种甲型肝炎疫苗,是接种一针太多了,还是接种两针太多了?