<Tr> <Th_colspan="2"> Classification and external resources </Th> </Tr> <Tr> <Th> Specialty </Th> <Td> emergency medicine, occupational medicine, hyperbaric medicine </Td> </Tr> <Tr> <Th> ICD - 10 </Th> <Td> T70. 0, T70. 1 </Td> </Tr> <Tr> <Th> ICD - 9 - CM </Th> <Td> 993.0, 993.1 </Td> </Tr>

Where will the greatest increase in pressure occur if you squeeze