A method for providing a patient with an analysis result which the patient uses to determine a dosage of a drug for self-administration when the patient is unable to obtain the analysis result themself. The method involves gathering by the patient of information which affects the dos
A compound useful for in vivo imaging of organs and tumors is provided of formula: ##STR1## wherein ##STR2## is a cobalamin, ##STR3## is derived from a corrin carboxylic acid group of said cobalamin, Y is a linking group and X is a chelating group, optionally comprisi
