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Lacrimal secretion stimulants: sigma receptors and drug implications.
Shirolkar S, Schoenwald RD, Barfknecht CF, Xia E, Cheng B, Iwai Y, Ignace CC, Vidvauns S, Newton RE. Shirolkar S, et al. Among authors: ignace cc. J Ocul Pharmacol. 1993 Fall;9(3):211-27. doi: 10.1089/jop.1993.9.211. J Ocul Pharmacol. 1993. PMID: 8228530