Huebner, C. E., Tyll, L., Luallen, J., Johnston, B. D., & Thompson, R. S. (2001). PrePare: A program of enhanced prenatal services within health-maintenance organization settings. Health Education Research, 16(1), 71–80. Model(s): Healthy Steps (National Evaluation 1996 Protocol) Not applicable (NA) - implementation study Study reviewed under: Handbook of Procedures and Standards, Version 1