1. Woo P, Petty RE (2011) Looking at paediatric rheumatology over the past 50 years. Rheumatology (Oxford) 50(9):1533–1536.
https://doi.org/10.1093/rheumatology/ker254
2. Cassidy JT (2009) Pediatric rheumatology: a personal history. The ACR At 75 A Diamond Jubilee. Wiley-Blackwell
3. Cassidy JT, Athreya B (1997) Pediatric rheumatology: status of the subspecialty in United States medical schools. Arthritis Rheum 40(6):1182. https://doi.org/10.1002/1529-0131(199706)40:6 < 1182::aid-art26 > 3.0.co;2-9
4. Accreditation Council for Graduate Medical Education (2019) Pediatric rheumatology program requirement.
https://www.acgme.org/Specialties/Program-Requirements-and-FAQs-and-Applications/pfcatid/16/Pediatrics
. Accessed 21 April 2019
5. American Board of Pediatrics (2017–2018) Pediatric physicians workforce data book
https://www.abp.org/sites/abp/files/pdf/pediatricphysiciansworkforcedatabook2017-2018.pdf
. Accessed 21 April 2019