background: general practitioners are the first who visit burn patients and they first calculate burn size and required fluid for the patient. error in calculation can be disastrous. the purpose of this study is to compare four methods of estimating burn size to teach students. methods: this is a descriptive-analytic study on 37 medical students. four methods of estimating burn percentage was t...

one of the known rules of jurisprudence is a rule called firash that derived from the hadith of the priphet, that means child is for his father and stone is for adulterous. as a result of this rule, a child born to woman- by supposing all firash conditions-is belong to the man who has an offical life with that woman not adulterous or others. iranian civil law to comply with this rule,codify the...