AU - Katz MH TI - INsufficient information about caffeine in supplements makes me jittery comment on “caffeine content of dietary supplements consumed on military bases” PT - JOUR DP - 2013 TA - JAMA Internal Medicine pages = {594}, VI - 173 IP - 7 AID - 10.1001/jamainternmed.2013.3448 [doi] 4100 - http://dx.doi.org/10.1001/jamainternmed.2013.3448 SO - JAMA Internal Medicine April 8, 2013 173(7):594