Word: 13th
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Dates: during 1940-1949
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...Fairservis guesses roughly that the city, unlisted on maps or by historians, so far as he knows, died "about the time of the Crusades" (11th to 13th Centuries A.D.). Next summer he intends to go back with a staff of archeologists, to give the city its correct ancient name and its place in the stream of history...
Doctors are keenly aware that the antibiotics (sulfa drugs, penicillin, streptomycin, etc.) have two great dangers: 1) sometimes the drug has a poisonous effect on the patient, and 2) the bacteria under attack may develop a tolerance for the drug. Last week doctors at the 13th Congress of the International Society of Surgery in New Orleans were reminded of another danger: antibiotics speed up the clotting time of the blood, thus subject the patient to the risk of death from blood clots forming, breaking loose, and being carried through the heart into the lungs...
...Britain's six-girl Wightman Cup tennis team, which sometimes outshone the U.S. girls in looks but not in form, and went to defeat for the 13th consecutive time, at Haverford, Pa.'s Merion Cricket Club...
Perhaps ... Sloan-Kettering is certainly trying hard. From his office on the 13th floor, Dr. Rhoads can review the work of the world's most impressive array of cancer-fighting weapons: the eggs with their little glass windows, the tubes of cancer tissue on their merry-go-rounds, the rows of deft-fingered girls with the squeaking, doomed white mice, the dangerous viruses, the green and white molds, the thousands upon thousands of chemical agents, the scholarly chemists, physicists, biologists, clinicians all working in unison to defeat the common enemy: cancer...
...average woman, with a menstrual cycle of 28 days, is most fertile on the 11th, 12th and 13th days following the beginning of menstruation. Women with cycles of 24 to 35 days should be most fertile from the 9th to 19th day (60% from the 11th to 13th...