Inadvertent duplicate publication: Severe poisoning with slow release theophylline

A. N Laggner, G. Kaik, K. Lenz, W. Druml, G. Kleinberger
1985 BMJ (Clinical Research Edition)  
serum lithium concentrations in patients taking the drug and indicates that, although often reversible, metabolic disturbances may persist for more than two years after treatment is stopped.
doi:10.1136/bmj.290.6467.517-a fatcat:q2tkq523ivdf7h2nybe67f3jwi