TY - GEN AU - Srámek,J AU - Josífko,M AU - Helcl,J AU - Holoubková,E AU - Janout,V AU - Kozesník,B AU - Macátová,I TI - Bacterial lysate (I.R.S. 19) applied intranasally in the prevention of acute respiratory diseases in children: a randomized double-blind study SN - 0022-1732 PY - 1987///0303 KW - Acute Disease KW - Administration, Intranasal KW - Bacterial Vaccines KW - administration & dosage KW - Child KW - Child, Preschool KW - Double-Blind Method KW - Humans KW - Random Allocation KW - Respiratory Tract Diseases KW - epidemiology N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ER -