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Sabbahi DA, Lawrence HP, Limeback H, Rootman I.Sabbahi DA, et al. Among authors: lawrence hp.Community Dent Oral Epidemiol. 2009 Oct;37(5):451-62. doi: 10.1111/j.1600-0528.2009.00490.x.Community Dent Oral Epidemiol. 2009.PMID: 19740249
Vieira AP, Lawrence HP, Limeback H, Sampaio FC, Grynpas M.Vieira AP, et al. Among authors: lawrence hp.J Am Dent Assoc. 2005 Jul;136(7):895-901. doi: 10.14219/jada.archive.2005.0290.J Am Dent Assoc. 2005.PMID: 16060470
Allison PJ, Lawrence HP.Allison PJ, et al. Among authors: lawrence hp.Community Dent Health. 2005 Dec;22(4):224-30.Community Dent Health. 2005.PMID: 16379160