title: Medical gridlock.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome; D000368:Aged; D001509:Bed Occupancy; D002908:Chronic Disease; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D007297:Inpatients; D007902:Length of Stay; D001523:Mental Disorders; D009519:New York City; D019966:Substance-Related Disorders