It's All in the Parameters: A Critical Analysis of Some Well-Known Negative Studies on Low-Level Laser Therapy

摘要: ABSTRACT Objective: Scientific studies include references to historical on low-level laser therapy (LLLT) in general and old the specific subject particular. Some are quoted often. It is fair take a second look at these, since few people seem have read them carefully, others only abstract form. This paper critically reviews parameter pitfalls found many of classic "negative" studies. Summary Background Data: A study 1,200 papers LLLT has resulted 85 positive 35 negative double-blind The been scrutinized carefully an effort pinpoint possible reasons for failures. In following, majority studies, but some non-blinded animal included give typical examples pitfalls.