The relationship between the type of allergen and the development of atopic disease in the group of patients treated at the Department of Paediatrics, Paediatric Nephrology and Allergology, Military Institute of Medicine in Warsaw,Zwia̧zek pomiȩdzy typem alergenu a rozwojem choroby atopowej w grupie pacjentów leczonych w Klinice Pediatrii, Nefrologii i Alergologii Dzieciȩcej WIM w Warszawie