[The swing of the pendulum].
D001741:Black or African American; D001291:Attitude of Health Personnel; D044383:Black People; D004497:Education, Dental; D004501:Education, Medical; D004813:Epidemiology; D008889:Military Personnel; D009784:Occupational Diseases / Q000517:prevention & control*; D011331:Private Practice; D011835:Radiation Protection; D013019:South Africa
Die pendulum swaai.