Smoking behaviour of medical personnel and students and health consequences of smoking in Latvia : a survey of smoking habits among medical personnel and students and prediction of future smoking related mortality in Latvia
Smoking behaviour of medical personnel and students and health consequences of smoking in Latvia : a survey of smoking habits among medical personnel and students and prediction of future smoking related mortality in Latvia
Smoking behaviour of medical personnel and students and health consequences of smoking in Latvia : a survey of smoking habits among medical personnel and students and prediction of future smoking related mortality in Latvia
Smoking behaviour of medical personnel and students and health consequences of smoking in Latvia : a survey of smoking habits among medical personnel and students and prediction of future smoking related mortality in Latvia