[Presentation of a new ureameter, having a tube without a stop-cock or a bulb and with a screw stopper].
D001863:Bone Screws; D006801:Humans; D018517:Plant Roots; D014508:Urea / Q000032:analysis*
D014508:Urea
UREA/determination
Presentation d'un nouvel ureometre; tube sans robinet ni poire, avec bouchage à vis.