A consumer's guide to causal modeling: Part I.
Youngblut
J M
JM
Frances Payne Bolton School of Nursing, Case Western Reserve University, Cleveland, OH 44106.
D015982:Bias; D015984:Causality; D015987:Effect Modifier, Epidemiologic; D006801:Humans; D015233:Models, Statistical; D015399:Nursing Research; D012107:Research Design