Sample size
allergic asthma
CHRONIC OBSTRUCTIVE PULMONARY DISEASE, POLAND, RECURRENT RESPIRATORY TRACT INFECTIONS, ALLERGIC ASTHMA
Sample size was determined using sample size test in Statistica 13.3 software (StatSoft, Poland) based on previous studies on the effect of immunostimulant products on the number of CD3+ lymphocytes in children with allergic asthma, recurrent respiratory tract infections and adults with chronic obstructive pulmonary disease (