... path of referral forchest pain will depend on the nature of the condition andthe urgency of the situation, that the point of referral maydepend on the familiarity or relationship between theproviders, ... theproviders, and that the nature of the referral (e.g., amountand type of information accompanying the referral) maydepend on the nature of the condition, whether the refer-ral is for reasons of diagnosis ... typically return the patient to the primary medicalpractitioner rather than referring them elsewhere,although this also may depend on the nature of the con-dition and the relationship between the specialty...