Word: laboratoiy
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...Laboratoiy workers consider the hamster's laboratory qualifications practically ideal: it is even more susceptible to human diseases than the guinea pig. The gestation period is the shortest known for a mammal-15 days, 21 hours. It begins to mate by its 43rd day, bears its first litter at the age of two months. Thereafter, until the age of one year, when it stops bearing, it can deliver a litter of two to 15 young every month...
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