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Paper and pencil vs online self-administered food frequency questionnaire(FFQ) applied to university population: a pilot study | 382 |
octubre 2023 | noviembre 2023 | diciembre 2023 | enero 2024 | febrero 2024 | marzo 2024 | abril 2024 | |
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Paper and pencil vs online self-administered food frequency questionnaire(FFQ) applied to university population: a pilot study | 1 | 0 | 8 | 5 | 4 | 5 | 2 |
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2011 NH González et al. Paper and pencil.pdf.jpg | 494 |
2011 NH González et al. Paper and pencil.pdf | 300 |
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Estados Unidos | 171 |
China | 46 |
España | 35 |
Alemania | 17 |
Francia | 17 |
Qatar | 13 |
Reino Unido | 9 |
Irlanda | 9 |
Canadá | 8 |
Vietnam | 7 |
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Ashburn | 45 |
Beijing | 21 |
Mountain View | 19 |
Redmond | 19 |
Valencia | 17 |
Doha | 13 |
Alameda | 8 |
Hangzhou | 7 |
Hanoi | 7 |
Boardman | 6 |