Wavelength effects on critical flicker frequency in human infants.

We examined 3-mo.-old human infants' ability to detect flicker in 454-nm blue and 627-nm red lights at 1.5 log cd/m2.

Pharmacy-nursing discharge counseling program for cardiac patients.

A cooperative pharmacy-nursing program for discharge medication counseling for cardiac patients that uses printed medication teaching cards is described. A pharmacy-nursing working group had determined that a formal program for discharge medication counseling was needed, and a pilot program was implemented on the cardiopulmonary-care units. Medication teaching cards were developed for commonly prescribed cardiac medications.

Tuberculosis risk among migrant farm workers on the Delmarva peninsula.

A survey was conducted to ascertain the risk of tuberculosis (TB) among migrant farm workers on the Delmarva peninsula. Relevant histories were obtained from 842 migrants; a total of 709 skin tests were completed, and 239 sputum specimens were examined for acid-fast bacilli (AFB) and culture. No cases of infectious tuberculosis were ascertained by history or AFB examination.