Review of services for fifty-nine dental patients. STEBNER CM. J Am Dent Assoc. 1962 Jul;65:77-82. doi: 10.14219/jada.archive.1962.0188. PMID: 13916469
The 1959 survey of dental practice. I. Introduction. [No authors listed] J Am Dent Assoc. 1960 Apr;60:498-505. PMID: 13857204
[Development, problems and present organization of dentistry in Italy]. DE VECCHIS B. Policlinico Prat. 1950 Mar 20;57(12):386-92. PMID: 15417360
Dentists and complaints in Italy. MINGOLI A. Clin Odontoiatr Rev Mens Oper Dent Chir Orale Ortod Protesi. 1947 May;2(5):76-84. PMID: 20259143
[Special problems in dental statistics]. GEDICKE K. Offentl Gesundheitsdienst. 1961 Dec;23:626-39. PMID: 13897460