BELL, J [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND];
COLLINS, P [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND];
FYSON, P [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND];
HELLER, C G [* PACIFIC NORTHWEST LABORATORIES];
HILLER, G V [* PACIFIC NORTHWEST LABORATORIES];
LACY, D [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND];
PUDNEY, J [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND];
TOWLEY, M J [* PACIFIC NORTHWEST LABORATORIES];
VINSON, G P [ST. BARTHOLOMEWS HOSPITAL, LONDON, ENGLAND]