Letter: Decreased lacrimation in amyotrophic lateral sclerosis.
D000367:Age Factors; D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000150:complications* / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013666:Tears / Q000378:metabolism*