RT Journal T1 LEhrbuch der röntgendiagnostik JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD September 23 VO 113 IS 13 SP 1251 OP 1251 DO 10.1001/jama.1939.02800380069043 UL http://dx.doi.org/10.1001/jama.1939.02800380069043 AB Medical books are so numerous that it seems impossible for any one to maintain a complete library relating to his own specialty. Many titles are presented, perhaps with the names of the authors unfamiliar, which do not appeal, and the physician may not even take time to look through them. But here is a wonderful work which arrests attention by its size, its attractive appearance and especially by the immediate impression of comprehensiveness when one opens at any page of either volume. It is immediately apparent that one is examining the most authoritative work on diagnostic roentgenology which has yet been published. The new edition has been brought right up to the minute. One seeks in vain to find an omission of any important radiologic discovery relating to diagnosis. The first volume, of nearly 1,000 pages, deals with the necessary knowledge of radiation physics and contains a detailed consideration of