Re: chronic disease mortality in a cohort of smokeless tobacco users.
Ebbert
Jon O
JO
Yang
Ping
P
Tomar
Scott L
SL
D002423:Cause of Death; D002908:Chronic Disease / Q000401:mortality*; D015331:Cohort Studies; D006801:Humans; D016016:Proportional Hazards Models; D012107:Research Design / Q000592:standards*; D014030:Tobacco, Smokeless / Q000009:adverse effects*