RT Journal Article SR Electronic T1 Plasma exchange: an option for the treatment of life-threatening status asthmaticus in pregnancy JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 938 OP 939 DO 10.1034/j.1399-3003.1999.13d40.x VO 13 IS 4 A1 D Franzen A1 H Gunther A1 H Borberg A1 K Wassermann YR 1999 UL http://erj.ersjournals.com/content/13/4/938.abstract AB