<prompt> All of the following cause a grey-white membrane in the throat except -Streptococcal tonsillitisDiphtheriaLudwigs anginaAdenovirus pharyngitis  <response>: Causes of the membrane in the throat Differential diagnosis of the membrane over the tonsil Pyogenic membranous tonsillitisInfectious mononucleosisTraumatic ulcersVincents anginaAgranulocytosisAdenovirus pharyngitisCandidal infection of tonsilLeukemiaDiphtheriaAphthous ulcers 