1 “... are an invaluable reference for nuclear scientists, biologists, chemists, physicists, physicians practicing nuclear...”

2 “..., physicians practicing nuclear medicine, graduate students and teachers - virtually all who are involved...”

3 “... (including physicians, apothecaries, metallurgists, philosophical chemists, and industrial chemists...”

4 “... workers in several disciplines, spectros­ copists, and physicians active in research or in the practice...”