Letter to Editor
| 1. |
Omranifard V, Haghighizadeh E, Akouchekian S. Depression in main caregivers of dementia patients: Prevalence and predictors. Adv Biomed Res 2018;7:34. ![]() [PUBMED] |
| 2. |
Pourhoseingholi MA, Vahedi M, Rahimzadeh M. Sample size calculation in medical studies. Gastroenterol Hepatol Bed Bench 2013;6:14-7. ![]() [PUBMED] |