1. 28-day repeated dose oral toxicity study of litsea cubeba essential oil in sprague-dawley rats
Siraprapa Tubtim and Ake Wasiksiri

2. An approach to developing dissolution standards for turmeric capsules i basket rotating method
Nantana Sittichai, Sirichai Krabesri, Ekamol Suthison and Parkpoom Tengamnuay

3. Author index volume 31
None

4. Comparative analysis of pharmaceutical care and traditional dispensing role of pharmacy
Phantipa Sakthong

5. Hplc determination of active diterpene lactones from andrographis paniculata nees planted in various seasons and regions in thailand
Chamnan Patarapanich, Suwanna Laungcholatan, Nuntakan Mahaverawat, Chaiyo Chaichantipayuth and Sunibhond Pummangura

6. Keyword index volume 31
None

7. Use of a dialyzable short-chain phospholipid for efficient preparation of virosome 63 vaccines against newcastle disease
Atthachai Homhuan and Sompol Prakongpan