[Clinical study concerning the prevention of infections of the upper respiratory tract of preschool children].
D000276:Adjuvants, Immunologic / Q000627:therapeutic use*; D001419:Bacteria; D002457:Cell Extracts; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections / Q000517:prevention & control*; D000095983:Bacterial Lysates
D000276:Adjuvants, Immunologic; D002457:Cell Extracts; C030259:Broncho-Vaxom; D000095983:Bacterial Lysates
Etude clinique de prévention des infections des voies respiratoires supérieures de l'enfant de l'âge préscolaire.