Practice Pitfalls

Pitfalls in Ophthalmic Practice

Experiments with Choirs – Practice and Pitfalls

Following an extensive survey of choral practitioners which gathered evidence of pitch drift in a cappella choral singing, a series of experiments has been undertaken with amateur choirs around the United Kingdom. For each choir, data was collected over twenty rehearsals by a member of the choir using equipment supplied by the Open University. The data collected includes recordings of a special...

Prospects and Pitfalls in Theory and Practice

Experimental phasing: best practice and pitfalls

Developments in protein crystal structure determination by experimental phasing are reviewed, emphasizing the theoretical continuum between experimental phasing, density modification, model building and refinement. Traditional notions of the composition of the substructure and the best coefficients for map generation are discussed. Pitfalls such as determining the enantiomorph, identifying cent...

Managed care: Practice, pitfalls, and potential

The results of coordinating and changing patterns of health care using managed care activities and organizations are reviewed in this article. Although utilization review and high-cost case management programs reduce the use of expensive services, incentives for providers of care, placing them at risk, are important for managing the intensity of health care. Managed care appears capable of redu...