“…The variable pattern found in these data may be explained in terms of extraneous factors, such as patients' intake of analgesics after surgery (see Table 2), which ethically could not be withheld. Direct comparison of current results to previous work on the analgesic effects of laser therapy [e.g., [31][32][33], therefore, is difficult. However, it should be stressed that in the case of the wounds investigated here, the problem is acute, nociceptive, postoperative pain, which should diminish concomitantly as wound healing occurs.…”