权威例句
Validity of the computer science and applications (CSA) activity monitor in children.Estimation of body density from skinfold thicknesses, body circumferences and skeletal widths in boys aged 8 to 11 years: comparison...Environmental influences, physical activity, and weight status in 8- to 16-year-oldsCorrelates of objectively measured physical activity in preadolescent youthModular receptacle couplerIsolator assembly, receptacle and method of operationCorrelates of physical activity among U.S. Young adults, 18 to 30 years of age, from NHANES IIIDeterminants of physical activity in active and low-active, sixth grade African-American youthHOUSEHOLD RISK FACTORS FOR TRYPANOSOMA CRUZI SEROPOSITIVITY IN TWO GEOGRAPHIC REGIONS OF ECUADORENDOPROSTHESIS FOR A SHOULDER JOINT