The present invention relates to an vitro device for the removal of ionized substances from a membrane sample without mechanical penetration, which device comprises:...http://www.google.es/patents/US6542765?utm_source=gb-gplus-sharePatente US6542765 - Method for the iontophoretic non-invasive determination of the in vivo concentration level of an inorganic or organic substance
Method for the iontophoretic non-invasive determination of the in vivo ...
