effect of amoxicilline and benzathine benzylpenicilin,procaine benzylpenicilln and dihydrostreptomycin sulfate on sow metritis during lactation ,ប្រសិទ្ធភាពឪសថamoxicilline និង benzathine benzylpenicillin, procaine benzylpenicillin and dihydrostreptomycin sulfate នៅលើជំងឺរលាកស្បូនមេជ្រូកអំឡុងពេលបំបៅដោះ LY PHANNA,លី ផាន់ណា VEM LY 2016 B569 Or.1 phnom penh RUA 2016 2016 Text x;39p; https://drive.google.com/file/d/1Xk18IwN2HEEYPagLPk5hAdjY5R5qXF-C/view?usp=sharing