1. 3-0-angeloylingenol, the toxic and skin irritant factor from latex of euphorbia anitiquorum l. (euphorbiaceae) and from a derived thai purgative and anthelimintic (vermifuge) drug
W. ADOLF, S. CHANAI and E. HECKER

2. Age estimation of rattus argentiventer from eye lens weight
RENU VEJARATPIMOL and LIM BOO LIAT

3. Impurity band in dilute mixed molecular crystals
K. WANACHOTE and I.M. TANG

4. Photochemical synthesis of a therospermidine
SURACHAI NIMGIRAWATH and WALTER C. TAYLOR

5. Uptake and release of neurotransmitter-related compounds by two populations of synaptosomes isolated from rabbit retina
THYON CHENTANEZ and DIANNA A. REDBURN