Do Structural Adjustment programs work? Outline the key elements of structural adjustment programs by the IMF

Do structural adjustment programs work? Outline the key elements of structural adjustment programs by the IMF (the latest version, they have changed since the 1980s) and explain whether or not they work on the basis of a country study: Greece could be a good example here or Chile; or Argentina; etc. it would be interesting to find a case where structural adjustment has worked;