I am interested in listing any Internet site from which you can get data on physical mapping (FISH in particular) of YAC, BAC, or cosmid probes that could be useful in molecular cytogenetics. Dr. Mariano Rocchi Ist. Genetica Via Amendola 165/A 70126 Bari - Italy tl +39-80-544.3371 fax +39-80-544.3386 m.rocchi at area.ba.cnr.it (new!)