au.\*:("BACAK, Stephen J")
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Risk factors for neonatal mortality among extremely-low-birth-weight infantsBACAK, Stephen J; BAPTISTE-ROBERTS, Kesha; AMON, Erol et al.American journal of obstetrics and gynecology. 2005, Vol 192, Num 3, pp 862-867, issn 0002-9378, 6 p.Article
The epidemiology of walking for physical activity in the United StatesEYLER, Amy A; BROWNSON, Ross C; BACAK, Stephen J et al.Medicine and science in sports and exercise. 2003, Vol 35, Num 9, pp 1529-1536, issn 0195-9131, 8 p.Article
Pregnancy-associated hospitalizations in the United States, 1999-2000BACAK, Stephen J; CALLAGHAN, William M; DIETZ, Patricia M et al.American journal of obstetrics and gynecology. 2005, Vol 192, Num 2, pp 592-597, issn 0002-9378, 6 p.Article
Environmental and policy determinants of physical activity in the United StatesBROWNSON, Ross C; BAKER, Elizabeth A; HOUSEMANN, Robyn A et al.American journal of public health (1971). 2001, Vol 91, Num 12, pp 1995-2003, issn 0090-0036Article