00690naa#a2200205#i#450# EN\\bibl\14525 20240818043154.7 2541-9420 20161206b2016####ek#y0engy0150####ca RUS RU Prospects of phytopreparations based on Calendula officinalisin complex treatment of chemical burn of the esophagus Journal article Irkutsk Scientific Center for Family Problems and Human Reproduction 2016 5 с. Journal article local Dorzhiev Bair Voskresenskaya Marina Plekhanov Alexander Nikolaevich Tsyrempilov Sergey naukaru.ru