Ten of those core titles accounted for 54.6% of the citations, with Physical Therapy, Physiotherapy, and APMR as the 3 most-cited titles.
The top 3 journals in his study were APMR and British Medical Journal/BMJ tied with Spine.
It is interesting that while both Wakiji  and Maher  both found APMR to be the most frequent journal source of cited articles, the current study, a decade later, determined APMR as second most common, with Physical Therapy being most common.
* Physical Therapy, Archives of Physical Medicine and Rehabilitation (APMR), and Spine were the most frequently cited titles.
In 1951, the New England Chapter became the first regional chapter of APMR. Within one year, 21 Chapters had been organized.
A Code of Ethics was also developed and adopted by the APMR.
Edward Friedman composed and the APMR Board of Governors adopted the first official definition of Corrective Therapy in 1955.