Evidence from all sources
Harkness, Michael
Can an optimal force be estimated?
Harkness, Michael
Age changes in orthodontic treatment need: a longitudinal study of 10- and 13-year-old children, using the Dental Aesthetic Index
Chi, Jonathan, Johnson, Mark, Harkness, Michael
Forty years of publication
Harkness, Michael
Some factors that may affect your choice of appliance
Harkness, Michael
Recognising patterns
Harkness, Michael
Editorial: New perspectives
Harkness, Michael
What is a minimal clinically important difference?
Harkness, Michael