<Table> <Tr> <Th_colspan="2"> Mouth - to - mouth resuscitation </Th> </Tr> <Tr> <Td_colspan="2"> Mouth - to - mouth insufflation </Td> </Tr> <Tr> <Th> ICD - 9 - CM </Th> <Td> 93.93 </Td> </Tr> <Tr> <Th> MeSH </Th> <Td> D012121 </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Mouth - to - mouth resuscitation </Th> </Tr> <Tr> <Td_colspan="2"> Mouth - to - mouth insufflation </Td> </Tr>

How does mouth to mouth work if we breathe out co2