1. Six-minute walk test: clinical role, technique, coding, and reimbursement;Agarwala;Chest,2020
2. Appropriate use criteria program: CMAs (AAMA)® meet clinical staff criteria under the CMS rule;Balasa;CMA Today,2019
3. Six-Minute-Walk Testing;Heinicke;Am J Respir Crit Care Med,2021
4. Summary for clinicians: clinical practice guideline on home oxygen therapy for adults with chronic lung disease;Khor;Ann Am Thor Soc,2021
5. ATS Core Curriculum 2014: part I. Adult pulmonary medicine;Nyendak;Ann Am Thor Soc,2014