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2. Cancer of the palate in Coastal Andhra due to smoking cigars with the burning end inside the mouth;Reddy;Indian J. Med. Sci.,1957
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4. Leucoplasias y cancer bucai por el habito de fumar con le cigarriIlo invertido;Lepp;Bol. Soc. Venezolana Cir.,1955
5. Carcinoma del palato nei fumatori a “fogu a’intru”; considerazioni patogenetiche, cliniche e radiotherapiche su 31 casi. Radiobiol;Racugno;Radioter. Fis. Med.,1958