[The evaluation of a threat of osteoporosis among the employees at the pharmaceutical firm "Jelfa" in Jelenia Góra].

Nine hundred eight workers of Pharmaceutical Firm "Jelfa" at Jelenia Góra at the age over 35 were examined. Examinations were done in the form of inquiry, what gave all necessary data about age, weight, feeding habits, kind of work, fractures in the past and menstruations in women. The information were elaborated together with densitometric tests.