Devices for facilitating transdermal passage of materials are provided. In a preferred embodiment, a device for delivering a substance to skin of a subject is provided. A substance storage unit is adapted to store the substance. An analysis unit is adapted to receive a portion of a body fluid of the...http://www.google.es/patents/US6597946?utm_source=gb-gplus-sharePatente US6597946 - Electronic card for transdermal drug delivery and analyte extraction
Electronic card for transdermal drug delivery and analyte extraction
