[Observations of the flow of tears].
D002712:Chlorides; D006801:Humans; D007765:Lacrimal Apparatus / Q000502:physiology*; D007767:Lacrimal Duct Obstruction / Q000175:diagnosis*; D008628:Mercury; D013666:Tears / Q000502:physiology*
D002712:Chlorides; D008628:Mercury
Nabliudeniia za dvizheniem slez.