“Dr. Watson, Mr. Sherlock Holmes,”said Stamford, introducing us. “How are you?” he said cordially, gripping my hand with a strength for which I should hardly have given him credit. “You have been in Afghanistan, I perceive.”
“How on earth did you know that?” I asked in astonishment. “Never mind,” said he, chuckling to himself. “The question now is about hoemoglobin.” A Study In Scarlet. Sir Arthur Conan Doyle.”
―
Sir Arthur Conan Doyle,
A Study in Scarlet