Mouth-to-mouth and Mouth-to-mouth resuscitation

Mouth-to-mouth resuscitation and mouth-to-mouth are semantically related. In some cases you can use "Mouth-to-mouth resuscitation" instead a noun phrase "Mouth-to-mouth".

Mouth-to-mouth and mouth-to-mouth resuscitation are semantically related. You can use "Mouth-to-mouth" instead a noun phrase "Mouth-to-mouth resuscitation".