Before revision: Baker (2016) observed that the vast majority of the cost of most diagnostic, preventive and treatment procedures are patent royalties: The unit costs are almost universally a tiny fraction of the price to the consumer.
After revision: Public domainBaker (2016) observed that the vast majority of the cost of most diagnostic, preventive and treatment procedures are patent royalties: The unit costs are almost universally a tiny fraction of the price to the consumer.