by EGGEN A, POWELL O JR
Year of Publication 07.08.1973

by Powell, Jr, W O, Sinkford, J C, Henry, J L, Chen, M S
Published in Journal of dental education (01.05.1974)

by POWELL, Jr, P O, SAVAGE, J E
Published in Obstetrics and gynecology (New York. 1953) (01.12.1953)