AU - Sangvai S, Chianese J, Morone N, Bogen DL, Voigt L, Shaikh N TI - CAn an herbal preparation of echinacea, propolis, and vitamin c reduce respiratory illnesses in children? PT - JOUR DP - 2004 TA - Archives of Pediatrics & Adolescent Medicine pages = {222-224}, VI - 158 IP - 3 AID - 10.1001/archpedi.158.3.222 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.158.3.222 SO - Archives of Pediatrics & Adolescent Medicine March 1, 2004 158(3):222