The specific carrier would need to be selected based upon the desired method of deliver, e.g., PBS could be used for intravenous or systemic delivery and vegetable fats, creams, salves, ointments or {HEAD ~ gels} may be used for {TAIL ~ topical delivery} 
The specific carrier would need to be selected based upon the desired method of deliver , e.g. , PBS could be used for intravenous or systemic delivery and vegetable fats , creams , salves , ointments or { HEAD ~ gels } may be used for { TAIL ~ topical delivery }
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