Patterns and correlates of physical activity among US women 40 years and olderBROWNSON, R. C; EYLER, A. A; KING, A. C et al.American journal of public health (1971). 2000, Vol 90, Num 2, pp 264-270, issn 0090-0036Article

Reliability of information on physical activity and other chronic disease risk factors among US women aged 40 years or olderBROWNSON, R. C; EYLER, A. A; KING, A. C et al.American journal of epidemiology. 1999, Vol 149, Num 4, pp 379-391, issn 0002-9262Article