Guilmet C, Joué P
Ann Anesthesiol Fr. 1976;17(2):77-80.
In a patient who had been anaesthetised twice with penthiobarbitone, who had contracted a localised then a generalised eczema, collapse appeared during a third anaesthetic induction, 30 minutes after the injection of penthiobarbitone which was revealed by Shelley's test to be the most positive product.