Observational studyPloS one2018
Smoking fewer than 20 cigarettes per day and remaining abstinent for more than 12 hours reduces carboxyhemoglobin levels in packed red blood cells for transfusion.
Renata E Boehm et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
15 papers cite it
this papertrialcites it