Searched for: subject:"Double%5C-Blind%5C%2BMethod"
(1 - 3 of 3)
document
Emmen, H.H. (author), Muijser, H. (author), Arts, J.H.E. (author), Prinsen, M.K. (author), TNO Voeding Centraal Instituut voor Voedingsonderzoek TNO (author)
The objective of this study was to establish the possible occurrence of eye irritation and subjective symptoms in human volunteers exposed to propylene glycol monomethyl ether (PGME) vapour at concentrations of 0, 100 and 150 ppm. Testing was conducted in 12 healthy male volunteers using a repeated measures design. Each subject was exposed for 2...
article 2003
document
Emmen, H.H. (author), Hoogendijk, E.M.G. (author), Klöpping-Ketelaars, W.A.A. (author), Muijser, H. (author), Duistermaat, E. (author), Ravensberg, J.C. (author), Alexander, D.J. (author), Borkhataria, D. (author), Rusch, G.M. (author), Schmit, B. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
HFC 134a (1,1,1,2-tetrafluoroethane) and HFC 227 (1,1,1,2,3,3,3-heptafluoropropane) are used to replace chlorofluorocarbons (CFCs) in refrigerant and aerosol applications, including medical use in metered-dose inhalers. Production and consumption of CFCs are being phased out under the Montreal Protocol on Substances that Deplete the Ozone Layer....
article 2000
document
Smits, R.C.F. (author), Emmen, H.H. (author), Bertelmans, F.W. (author), Kulig, B.M. (author), van Loenen, A.C. (author), Polman, C.H. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
4-Aminopyridine (4-AP) has a favorable effect on the disability of certain patients with MS. We investigated the effect of 4-AP on neuropsychological performance in 20 MS patients using a randomized, double-blind, placebo- controlled, crossover design. Although there was a trend for improved performance with 4-AP for two of the tests, we could...
article 1994