Does treatment with Echinacea purpurea effectively shorten the course of upper respiratory tract infections in children?
Koenig
K
K
Children's Hospital, Charité Universitätsmedizin Berlin, Berlin, Germany.
Roehr
C C
CC
D002675:Child, Preschool; D020900:Echinacea; D006801:Humans; D008297:Male; D008517:Phytotherapy; D012141:Respiratory Tract Infections / Q000628:therapy*; D013997:Time Factors