TY - JOUR AN - 45 AU - Wickman,W. AU - Farahmand,B.Y. AU - Persson,P.G. AU - Pershagen,G. TI - Hospitalization for lower respiratory disease during 20 yrs among under 5-yr-old children in Stockholm County: a population based survey. JO - Eur Respir J PY - 1998 VL - 11 SP - 366-370 M2 - 366 DO - 10.1183/09031936.98.11020366 ER -