[LEAVE OF ABSENCE AMONG THE WORKERS OF WROCLAW COUNTY IN THE YEARS 1961-1962].
D000041:Absenteeism; D006801:Humans; D009017:Morbidity; D011044:Poland
ABSENTEEISM; MORBIDITY; POLAND
ABSENCJA CHOROBOWA W'SR'OD PRACOWNIK'OW WOJEW'ODZTWA WROCLAWSKIEGO W LATACH 1961-1962.