1. For a review see: in Biochemical Applications of Mass Spectrometry, ed. by p. 405, Wiley-Interscience, New York (1972) and supplement in press.
2. Malformin C, a new metabolite of Aspergillus niger
3. and in Microbial Toxins, Vol. Vl, p. 299. Academic Press, New York (1971).
4. and in Mycotoxin, Pathotox Publishers, Inc., Park Forest South, Illinois (in press).
5. and Paper Presented at 173rd American Chemical Society National Meeting, New Orleans (1977), Abstract ANAL-061.