T-4, T-8, AND NK LYMPHOCYTE SUBSETS IN PATIENTS WITH ANKYLOSING-SPONDYLITIS - BURSON, JMS; MANZANARES, CM; IRUZUBIETA, JM; DELAVERA, JG; BANDO, JR; CALVO, MO; VELASCO, ER; (Revista Clinica Espanola, 1987)