[A NEW SCHIRMER TEST USING PHENOL-RED PAPER STRIP].
D000375:Aging; D006863:Hydrogen-Ion Concentration; D007637:Keratoconjunctivitis; D007765:Lacrimal Apparatus; D010637:Phenolsulfonphthalein; D010808:Physical Examination; D010827:Physiology
D010637:Phenolsulfonphthalein
AGING; HYDROGEN-ION CONCENTRATION; KERATOCONJUNCTIVITIS; LACRIMAL APPARATUS; PHYSIOLOGY