1. Risk factors of ectopic pregnancy in women undergoing in vitro fertilization and embryo transfer (ivf-et)
Charoen Taweepolcharoen

2. Survival rates between early stage endometrial carcinoma with or without para-aortic lymph node resection
Kanate Thanagumtorn

3. Association between aortic arch calcification detected on plain chest x-ray and myocardial scarring detected on cardiac magnetic resonance imaging in coronary heart disease patients
Thanapon Nilmoje, Jitladda Wasinrat, Ahthit Yindeengam, Rungroj Krittayaphong

4. Comparison of high dose and standard dose proton pump inhibitor before endoscopy in patients with non-portal hypertension bleeding
Attapon Rattanasupar, Siriwan Sengmanee

5. Differentiation of takotsubo cardiomyopathy from st elevation myocardial infarction in patients activated for fast-track coronary angiography
Thidaporn Tangkittikasem, Nattawut Wongpraparut, Pradit Panchavinnin, Damras Tresukosol, Chunhakasem Chotinaiwattarakul, Rewat Phankingthongkum, Wiwun Tungsubutra, Suthipol Udompunturak, Rungtiwa Pongakasira

6. Major chronic respiratory diseases in chiang mai: prevalence, clinical characteristics, and their correlations
Chaicharn Pothirat, Nittaya Phetsuk, Chalerm Liwsrisakun, Chaiwat Bumroongkit, Athavudh Deesomchok, Theerakorn Theerakittikul

7. Results of an evidence-based care bundle for reducing ventilator-associated pneumonia (vap) in neurosurgical patients
Suphannee Triamvisit, Chatchanee Maneewan, Prapassorn Bunturat, Wassana Wongprasert, Kriengsak Limpassatan, Nongyao Kasatpibal, Juntima Euathrongchit

8. The outcome of soft silicone drains in reducing shoulder tip pain after laparoscopic adrenalectomy
Wisa Anegmudchalin, Kamol Panumatrassamee, Apirak Santingamkun

9. Comparison of sagittal balance between radiofrequency targeted vertebral augmentation and balloon kyphoplasty in treatment of vertebral compression fracture: a retrospective study
Werasak Sutipornpalangkul, Lester Zambrana, Arianna Gianakos, Joseph M Lane

10. Comparison of nested pcr and culture identification of pythium insidiosum in patients with pythium keratitis
Panida Kosrirukvongs, Angkana Chaiprasert, Chayamon Canyuk, Wanchai Wanachiwanawin

11. High sensitivity c-reactive protein level and psoriasis severity in thai patients
Rawipan Uaratanawong, Somchai Uaratanawong, Chakkrapong Chunhasewee, Prapawan Chawvavanich

12. Effects of pursed-lip breathing exercise using windmill toy on lung function and respiratory muscle strength in the elderly
Sarawut Jansang, Timothy Mickleborough, Daroonwan Suksom

13. An 80-year-old man with inferior wall myocardial infarction and cardiogenic shock: case report
Korakoth Towashiraporn, Decho Jakrapanichakul, Wanchai Wongkornrat, Rungroj Krittayaphong

14. A case report of ruptured malignant neuroendocrine tumor of kidney, an extraordinary presentation
Chalairat Suk-ouichai, Samrerng Ratanarapee, Tawatchai Taweemonkongsap, Chaiyong Nualyong