[ON THE SURGICAL WIDENING OF THE MOUTH OPENING].
D005145:Face; D006801:Humans; D008046:Lip; D009055:Mouth; D010969:Plastics; D013518:Surgery, Plastic
D010969:Plastics
LIP; MOUTH; SURGERY, PLASTIC
UBER DIE OPERATIVE ERWEITERUNG DER MUNDSPALTE.