1. Author index volume 30
None

2. Detection of mycoplasma contamination in cell cultures comparison between dna flurorochrom staining and pcr amplification methods
Supaporn Phumiamorn, Kornnika Kullabutr, Sukanlayanee Tepbhuthorn and Teeranart Jivapaisarnpong

3. Effects of cassava on thyroid gland in rats
Rubporn Kittivachra

4. Identification and antimicrobial activities of actinomycetes from soils in samed island, and geldanamycin from strain pc4-3
Wijittra Anansiriwattana, Somboon Tanasupawat, Surattana Amnuoypol and Khanit Suwanborirux

5. Key word index volume 30
None

6. Spectrophotometric determination of binary mixtures of prednisolone with some antibiotics
Abd El-Maboud I. Mohamed, Hesham Salem and Eman Maher