TY - BOOK AU - Ciba Foundation TI - Respiratory tract mucus, Number 54 (new series) SN - 0-444-90016-0 U1 - 610 PY - 1978/// CY - Amsterdam PB - Elsevier-Excerpta Medica-North Holland KW - CIBA Foundation KW - Medicine -- General N1 - Gift; CIBA Foundation, symposium, general medicine ER -