From "Promoting Self-Referral for Laboratory Testing" Effective Clinical Practice, January/February 2002. 5:43-44.

Figure 1. Main page of the QuestDirect Web site (www.questest.com/ch/minihome/Home.jsp).
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From "Promoting Self-Referral for Laboratory Testing" Effective Clinical Practice, January/February 2002. 5:43-44.

Figure 1. Main page of the QuestDirect Web site (www.questest.com/ch/minihome/Home.jsp).
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