Aalen, O. O. (1978). Nonparametric inference for a family of counting processes. Annals of Statistics 6: 701–26.
Abbott, A. (1997). Of time and space: The contemporary relevance of the Chicago school. Social Forces 75: 1149–82.
Abbott, A. (1998). The causal devolution. Sociological Methods and Research 27: 148–81.
Achen, C. H. and Shively, W. P. (1995). Cross-Level Inference. Chicago, IL: University of Chicago Press.
Alderman, M. H., Madhavan, S., Cohen, H. et al. (1995). Low urinary sodium is associated with greater risk of myocardial infarction among treated hypertensive men. Hypertension 25: 1144–52.
Alderman, M. H., Madhavan, S., Ooi, W. L. et al. (1991). Association of the renin-sodium profile with the risk ...