TY - GEN AU - Lyutzkanov,T AU - Kirin,I TI - Peak flow correlations with some dynamic spirographic indicators in children aged 7-15 years SN - 0204-8043 PY - 1980///0128 KW - Bulgaria KW - Child KW - Child, Preschool KW - Forced Expiratory Flow Rates KW - Humans KW - Mathematics KW - Peak Expiratory Flow Rate KW - Respiration KW - Spirometry N1 - Publication Type: Journal Article ER -