. Röntgen rays and electro-therapeutics : with chapters on radium and phototherapy . Fig. 156.—Supernumerary thumb. (Case of Dr. George M. Boyd.). Fig. 157.—Congenital absence of the ulna and two fingers. (Case of Dr. W. Frank Haehnlen.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradiolo, bookyear1910