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. 2021 Aug 20;100(33):e26976. doi: 10.1097/MD.0000000000026976

Table 1.

Main search terms.

Subject Key words
Pulmonary disease, chronic obstructive; lung diseases, obstructive COPD; Chronic Obstructive Lung Disease; Chronic Obstructive Airway Disease; Chronic Airflow Obstructions
Exercise; aerobic-exercise; water aerobics; water sport Water-based exercise; Water-based sports; Exercises, Aerobic; Aerobic Exercises; Aerobic training; Endurance Training; walking
Randomized controlled trial Randomized; placebo