Multicenter, randomized, parallel-group study of onabotulinumtoxinA and hyaluronic acid dermal fillers (24-mg/ml smooth, cohesive gel) alone and in combination for lower facial rejuvenation: satisfaction and patient-reported outcomes.

Multicenter, randomized, parallel-group study of onabotulinumtoxinA and hyaluronic acid dermal fillers (24-mg/ml smooth, cohesive gel) alone and in combination for lower facial rejuvenation: satisfaction and patient-reported outcomes.