在所有的七个商店中，训练过的工作人员在商店付款区附近作为护理人员进行观察但不进行干预，记录下购物车约束系统的使用情况。

Trained study personnel conducted the observations unobtrusively in all seven stores, recording the status of shopping cart restraint use as caregivers approached the store checkout areas.

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福特事后说。所以她告诉凶手说她需要加油，并将车开往了东七路5000区的一家加油站。该加油站要求站内付款。

Instead, she told him she needed gas and drove to the Fast Stop Gas station in the 5000 block of East Seven Mile Road, a station that requires customers to pay the attendant inside.

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