Not really, they can sustain themselves during a period of time, even without EU/US buying stuff from them. Meanwhile, EU won't have natural gas and everyone over here will get screwed.
If the big pharma groups stop the export of drugs to Russia (85% of the total drugs on the market are imported) will see the Russian population shrink by 10% percent in one year.
Also , what is even funnier is that most of the drilling equipment used by the Russian to dig and process and also transport gas and oil is imported from Holland , Norway and Germany.
