COPD Information and Support,
https://link.springer.com/article/10.1007/s11606-017-4150-7
https://link.springer.com/article/10.1007/s11606-017-4150-7
Electronic cigarettes (e-cigarettes) are battery-operated nicotine-delivery devices used by some smokers as a cessation tool as…
Electronic Cigarette Use in US Adults at Risk for or with COPD: Analysis from Two Observational Cohorts (J Gen Intern Med…