LilienfeldA.M.; PedersenE.; and DowdJ.E.: Cancer Epidemiology: Methods of Study, Baltimore, The Johns Hopkins Press, 1965.
2.
AxellT.: A Prevalence Study of Oral Mucosal Lesions in an Adult Swedish Population, Odontol Revy27: Suppl 36, 1976.
3.
Roed-PetersenB., and RenstrupG.: A Topographical Classification of the Oral Mucosa Suitable for Electronic Data Processing., Acta Odontol Scand27: 681–695, 1969.
4.
MehtaF.S.; PindborgJ.J.; and HamnerJ.E.: Oral Cancer and Precancerous Conditions in India, Copenhagen, Munksgaard1971.
5.
MehtaF.S.; GuptaP.C.; DaftaryD.K.; PindborgJ.J.; and ChoksiS.K.: An Epidemiologic Study of Oral Cancer and Precancerous Conditions Among 101,761 Villagers in Maharashtra, India, Int J Cancer10: 134–141, 1972.
6.
BhonsleR.B.; MurtiP.R.; GuptaP.C.; and MehtaF.S.: Reverse Dhumti Smoking in Goa: An Epidemiologic Study of 5,449 Villagers for Oral Precancerous Lesions., Ind J Cancer13: 301–305, 1976.
7.
BrusztP.: Stomato-onkologische Reihenun-tersuchungen in sieben Gemeinden Südun-garns, Schweiz Monatsschr Zahnheilkd72: 758–766, 1962.
8.
SheihamA.: An Epidemiological Survey of Acute Ulcerative Gingivitis in Nigerians., Arch Oral Biol11: 937–942, 1966.
9.
DockratL.S.: Oral Submucous Fibrosis as a Precancerous Condition., S Afr Cancer Bull11: 103–111, 1967.
10.
DockratI., and ShearM.: Oral Submucous Fibrosis, in Nat 4th Proc Int Acad Oral Path1970, pp 57–65.
11.
GrabowskiM.: Den aeldre befolknings oralstatus og odontologiske behandlingsbehov i Vestsjaellands amt, Thesis. Århus 1974.
12.
PindborgJ.J.: Epidemiological Studies of Oral Cancer, Int Dent J, 27: 122–128, 1977.
13.
BorghelliR.F.; StirparoM.; AndradeJ.; BarrosR.; CentofantiM.; and EstevezO.T.: Leukoedema in Addicts to Coca Leaves in Humahuaca, Argentina., Community Dent Oral Epidemiol3: 40–43, 1975.
14.
MehtaF.S.; PindborgJ.J.; BhonsleR.B.; and SinorP.N.: Incidence of Oral Leukoplakias Among 20,358 Indian Villagers in a 7-Year Period., Brit J Cancer33: 549–554, 1976.
15.
PindborgJ.J.; MehtaF.S.; DaftaryD.K.; GuptaP.C.; and BhonsleR.B.: Prevalence of Oral Lichen Planus Among 7,639 Indian Villagers in Kerala., Acta Dermatol-Venereol (Stockh)52: 216–220, 1972.