Subjects: *COTININE; *SALIVA analysis; *CARBON monoxideUNITED Kingdom
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Subjects: *SALIVA analysis; *ANALYSIS of variance; *ANXIETYUNITED Kingdom
Subjects: *SALIVA analysis; *CONFIDENCE intervals; *RESEARCH fundingUNITED Kingdom
Subjects: SMOKING prevention; DISEASE relapse prevention; SALIVA analysisUNITED Kingdom
Subjects: *SALIVA analysis; *PROGESTERONE; *PREGNANCYUNITED Kingdom