APA (7th ed.) Citation

Cruz, J., Jácome, C., & Marques, A. (2019). Is the international physical activity questionnaire (IPAQ-sf) valid to assess physical activity in patients with COPD? Comparison with accelerometer data.

Chicago Style (17th ed.) Citation

Cruz, Joana, Cristina Jácome, and Alda Marques. Is the International Physical Activity Questionnaire (IPAQ-sf) Valid to Assess Physical Activity in Patients with COPD? Comparison with Accelerometer Data. 2019.

MLA (8th ed.) Citation

Cruz, Joana, et al. Is the International Physical Activity Questionnaire (IPAQ-sf) Valid to Assess Physical Activity in Patients with COPD? Comparison with Accelerometer Data. 2019.

Warning: These citations may not always be 100% accurate.