the intestinal bacterial diversity of stichopus japonicus was investigated using 16s ribosomal rna gene (rdna) clone library and polymerase chain reaction/denaturing gradient gel electrophoresis (pcr-dgge). the clone library yielded a total of 188 clones, and these were sequenced and classified into 106 operational taxonomic units (otus) with sequence similarity ranging from 88 to 100%. the cov...

introduction: in the age of information, in order for offering integrated library services to the users, librarians need to be knowledgable about new web technologies and their applications in library services, especially in medical areas.  this study investigates the level of knowledge and and usage of world wide web in library services among medical librarians in tehran. methods: the present ...

this study examines the quality of services at iran’s central library of management and planning organization (mpo) from the viewpoint of its users. the research was conducted in two phases: first, the library and its services were compared to the standards for special libraries published by the national library of iran (nli). the library was found to meet most of the standards. second, the qua...