The commands :
(default command is /doctor but you can change it in config file)

*required permission : reviveme.admin
/doctor help
/doctor add - to add player's main hand item to medicine items
/doctor remove <Id> - remove the medicine item by Id
/doctor get <Id> - get the medicine item by Id
/doctor clear - clear all medicine items
/doctor list - show all medicine items
/doctor check - check if player's main hand slot is medicine items.

*required permission : reviveme.doctor
/doctor case - show all the death players righ now.

The case command is used to show all death players, and the doctor can take a case. When the doctor takes a case, it will show on the action bar how many blocks away the doctor and the dead player are.

*Note that I'm not good with English. If there is a word that you want to change, you can change it in the skript files.