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রিকেটস কি?

Md. Saifur Rahman

রিকেটস এক ধরণের অতিক্ষুদ্র ব্যাকটেরিয়া। এরা প্রকৃত পরজীবী এবং মানুষের টাইফাস নামক রোগের কারণ।

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