AU - Katz MH TI - INdirect costs of structural interventions—reply PT - JOUR DP - 2009 TA - JAMA pages = {2661-2662}, VI - 302 IP - 24 AID - 10.1001/jama.2009.1889 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.1889 SO - JAMA December 23, 2009 302(24):2661