title: The pattern of sickness rates among employees of the Posts and Telecommunications Corporation of Rhodesia.
mesh_terms: D000041:Absenteeism; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D044383:Black People; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009790:Occupations; D011177:Postal Service; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012621:Seasons; D012737:Sex Factors; D014947:Wounds and Injuries / Q000453:epidemiology; D015030:Zimbabwe