Classification and usage skills of antibiotics antibacterial drugs 1.1 Classification according to the antibacterial spectrum and application of drugs 1. The main antibacterial drugs against Gram-positive bacteria include: penicillins, cepha…
Read more1. INTRODUCTION The lychee (Litchi chinensis Sonn) an important sub-tropical evergreen fruit crop belonging to family Sapindaceae, is believed to have originated in China, where it has been grown in Southern Guangdong state for thousand of y…
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