Evaluation of low level laser therapy on open wound healing of the teat in dairy cattle By thenetking - Jul 29 ,2019 - in “The durations of healing were 18.5 ± 0.5 days for group A; 19 ± 0.7 days for group B; 23 ± 0.7 days for group C; and 24.5 ± 0.5 days for group D, respectively.”