Zobrazeno 1 - 2
of 2
pro vyhledávání: '"K. D. Witters"'
Autor:
Gouke J. Bonsel, J.P. de Graaf, K. D. Witters, Johannes J. Duvekot, Z. M. Kolder, E.A.P. Steegers, J. Van Der Kooy, E. Fitzpatrick, I. J. J. Dons-Sinke
Publikováno v:
Acta Anaesthesiologica Scandinavica. 56:920-925
Objective Nitrous oxide (N2O) is routinely used as an analgesic in obstetrics during labour. Epidemiological studies have linked chronic occupational exposure to N2O to specific health problems, including reproductive risks. Occupational exposure lim
Autor:
R. J. H. Luiten, K. D. Witters, Jan Raap, Johan Lugtenburg, J. Baart, P. J. E. Verdegem, A. C. Hoek, J. J. Cappon
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 113:318-328
(2′-13C)-, (1′-15N)- and (3′-15N)-L-Histidine were prepared according to a synthetic scheme that allows the 13C or 15N labelling of all carbon and nitrogen positions or any combination of positions. A 1,5-disubstituted imidazole ring was constr