Respiratory symptoms and lung function in a sample of Vermont dairymen and industrial workers.

per Babbott, F L, Gump, D W, Sylwester, D L, MacPherson, B V, Holly, R C
Publicat 1980

Depressed spontaneous cell-mediated cytotoxicity in Crohn's disease.

per Beeken, W L, Macpherson, B R, Gundel, R M, St Andre-Ukena, S, Wood, S G, Sylwester, D L
Publicat 1983