Questionnaires for assessing physical activity in Spanish population: future research directions.
Martínez-Gómez
David
D
Marcos
Ascension
A
Veiga
Oscar L
OL
D000368:Aged; D035843:Biomedical Research / Q000639:trends; D005544:Forecasting; D006801:Humans; D008875:Middle Aged; D009043:Motor Activity; D013030:Spain; D011795:Surveys and Questionnaires / Q000592:standards*