Dissertatio medica inauguralis de arsenico / Joannes Guilielmus de BruynSpecimen inaugurale exhibens nonnulla theoremata medico-obstetricia / Joannes Guilielmus de BruynDissertatio medica inauguralis de arsenico / Joannes Guilielmus de BruynSpecimen inaugurale exhibens nonnulla theoremata medico-obstetricia / Joannes Guilielmus de Bruyn