APA (7th ed.) Citation

(2022). Variations in risks from smoking between high-income, middle-income, and low-income countries. An analysis of data from 179 000 participants from 63 countries.

Chicago Style (17th ed.) Citation

Variations in Risks from Smoking Between High-income, Middle-income, and Low-income Countries. An Analysis of Data from 179 000 Participants from 63 Countries. 2022.

MLA (8th ed.) Citation

Variations in Risks from Smoking Between High-income, Middle-income, and Low-income Countries. An Analysis of Data from 179 000 Participants from 63 Countries. 2022.

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