AU - Johnston CS TI - REcommendations for vitamin c intake PT - JOUR DP - 1999 TA - JAMA pages = {2118-2119}, VI - 282 IP - 22 AID - 10.1001/jama.282.22.2118 [doi] 4100 - http://dx.doi.org/10.1001/jama.282.22.2118 SO - JAMA December 8, 1999 282(22):2118