1. Open minimally invasive cholecystectomy in maharaj nakhorn chiang mai hospital
Narain Chotirosniramit, Paisit Siriwittayakorn, Somchareon Saeteng

2. Use of complementary and alternative medicine in patients with rheumatoid arthritis
Waraporn Sukitawut, Ramjai Wichainun, Nuntana Kasitanon, Worawit Louthrenoo

3. Thyroid abscess caused by salmonella group c infection
Wasana Sriburee

4. Gastrointestinal manifestations in hiv-infected children
Nuthapong Ukarapol