WHAT DO WE MEAN BY "USUALLY"?

[1]  A. Woolcock.  Inhaled drugs in the prevention of asthma. , 1977, The American review of respiratory disease.

[2]  O. Sugar.  In search of Ondine's Curse. , 1978, JAMA.

[3]  H. Brown.  INHALED STEROID AEROSOLS AND ALTERNATE-DAY PREDNISONE , 1979, The Lancet.

[4]  D. Cade,et al.  Dependent proximal loop colostomy: Does it defunction the distal colon? , 1980, The British journal of surgery.