John E Ellershaw

Retrospective case note analysis form (final version)

Elizabeth Perkins, Hong Chen, Maureen Gambles, 2016 .

Research process flow chart

Hong Chen, Maureen Gambles, Rachel Houten, 2016 .

Generic information about the study

Elizabeth Perkins, Hong Chen, Maureen Gambles, 2016 .

For Discussion NSAIDs: gastroprotection or selective COX-2 inhibitor?

John E Ellershaw, J. Ellershaw, Andrew Dickman, 2004 .