The "ice pack test" for diagnosing myasthenia gravis.
Jacobson
D M
DM
D001763:Blepharoptosis / Q000175:diagnosis; D003080:Cold Temperature; D003941:Diagnostic Techniques, Ophthalmological; D006801:Humans; D007053:Ice; D009157:Myasthenia Gravis / Q000175:diagnosis*; D009801:Oculomotor Muscles / Q000473:pathology
D007053:Ice