TY - JOUR AN - 56 AU - Abramson,M. AU - Puy,R. AU - Weiner,J. TI - Immunotherapy in asthma: an updated systematic review. JO - Allergy PY - 1999 VL - 54 SP - 1022-1041 M2 - 1022 DO - 10.1034/j.1398-9995.1999.00102.x ER -