There is no difference between Dr and DR and DR. when used to show that a person has a doctorate in medicine or botany or other subject.
However, Dr. is the preferred abbreviation, as in Dr. Smith. This follows the pattern of Mr. and Mrs. in using a capital followed by small letters and a period to show that it is an abbreviation.
Only the letters that come after the person's name can tell you if the person has an M.D. (Medical Doctor) or a Ph.D. (Doctor of Philosophy) or other advanced degree.
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Some people believe that Dr. is dedicated to a medical practitioner. So, DR. should be used for Ph. D holders in other subjects.
no difference except the name
In diet, they put more sugar in it and less sugar in regular
Regular dr. pepper is made with high fructose corn syrup sweetner and Throwback Dr. Pepper is made with Real Sugar before hfcs.
their funny
I think it means "delayed release"
Dr Jeckyll and Mr Hyde are the same person is you read all the book you will find this out. There is also a film about it.
There is no functional difference between Dr. and DR. Both are used as titles for people who hold the degree of Doctor of Medicine (MD) or Doctor of Science (DSc), or Doctor of Philosophy (PhD), or any other doctoral level academic degree. The preferred form is "Dr." when using mixed case.
I'm not sure what you're talking about, but I believe this is it: Chuck Norris can taste the difference between Dr Pepper and Diet Dr Pepper.
The two differences between authentic Beats by Dr. Dre headphones and counterfiet Beats by Dr. Dre headphones is quality and cost. Most counterfeit headphones are cheaper the authentic ones but at the cost of lesser quality.
there is no comparison between them as far as i know
science
yes, DR is a sealed enteric coated large oval tablet, sprinkle is a capsule intended to be opened and the contents sprinkled on food.