A man's best friendBMJ 1999; 318 doi: https://doi.org/10.1136/bmj.318.7191.1113b (Published 24 April 1999) Cite this as: BMJ 1999;318:1113
Attributed to Groucho Marx.
Outside of a dog, a book is man's best friend.Inside of a dog it's too dark to read.
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