Hoje pesquisamos no google academico

http://www.diaadiaeducacao.pr.gov.br/diaadia/diadia/arquivos/File/conteudo/veiculos_de_comunicacao/ENF/ENF20N1/ENF20N1_12.PDF

http://www.scielo.br/pdf/%0D/acb/v18n2/15193.pdf

http://books.google.com.br/books?hl=pt-BR&lr=&id=979RFeCdbnsC&oi=fnd&pg=PA9&dq=Laser+na+medicina&ots=3HxHmlevxt&sig=QAvnaBwkZMlR1uKEMsflIwLsSDs#v=onepage&q=Laser%20na%20medicina&f=false

http://journal.ufsc.br/index.php/fisica/article/viewFile/10020/14557