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The New Zealand Medical Journal|July 27, 1983
Lung function in Maoris and Samoans working in New ZealandF A de Hamel, B WelfordAmerican Journal of Industrial Medicine|January 1, 1989
Potroom asthma: New Zealand experience and follow-upT V O'Donnell, B Welford, E D ColemanASDC Journal of Dentistry for Children|September 1, 1994
An esthetic technique for veneering anterior stainless steel crowns with composite resinK R Wiedenfeld, R A Draughn, J B WelfordPageof 1