W. Johnson

发表

C. Helms, E. Renner, J. Viner, 1979, Annals of internal medicine.

C. Helms, W. Hierholzer, E. Renner, 1979, Annals of internal medicine.

J. Armitage, C. Helms, J. Kugler, 1983, The American journal of medicine.

C. Helms, M. Gilchrist, W. Hierholzer, 1983, Annals of internal medicine.

D. Weisenburger, C. Helms, L. Chiu, 1984, The American journal of the medical sciences.

C. Helms, R. Massanari, W. Hausler, 1984, American journal of public health.

C. Helms, R. Corry, W. Johnson, 1981, JAMA.

C. Helms, R. Wenzel, W. Johnson, 1989, Diagnostic microbiology and infectious disease.