Methodological issues for biomarkers and intermediate outcomes in cohort studies.
Department of Epidemiology, School of Hygiene and Public Health, Johns Hopkins University, Baltimore, MD 21205, USA.
A
A
Muñoz
S J
SJ
Gange
D015415:Biomarkers; D015331:Cohort Studies; D018450:Disease Progression; D004198:Disease Susceptibility; D004781:Environmental Exposure; D015658:HIV Infections; D006801:Humans; D013997:Time Factors
D015415:Biomarkers