From the Centers for Disease Control and Prevention. Prevalence of recommended levels of physical activity among women--Behavioral Risk Factor Surveillance System, 1992
2011 ◽
Vol 165
(11)
◽
pp. 967
1994 ◽
Vol 87
(4)
◽
pp. 435-439
◽
1992 ◽
Vol 24
(Supplement)
◽
pp. S26
◽