P. Ryan

发表

B L Westra, H H Werley, E C Devine, 1991, American journal of public health.

A. Coenen, H. Werley, S. Kelber, 1995, Nursing diagnosis : ND : the official journal of the North American Nursing Diagnosis Association.

J Sutton, A Coenen, A. Coenen, 1997, Nursing diagnosis : ND : the official journal of the North American Nursing Diagnosis Association.