Encara no tenim significats per a "using household".
1Methods: Diarrheal surveillence was conducted using household visits 3 times per week.
2They're using household appliances: satellite dishes, cell phones, car radios, even refrigerators.
3Parental socioeconomic status was measured using household income level and maternal educational level.
4Dietary LCn3FA intake was estimated using household weighed food records.
5The detonators had been made using household chemicals and electronics.
Aquesta col·locació està formada per: