Response to 'comments on results of Scher et al. pertaining to nonprescription caffeine-containing combination analgesics'.
Ann
A
Scher
Richard
R
Lipton
Marcelo
M
Bigal
D000700:Analgesics / Q000627:therapeutic use*; D002110:Caffeine / Q000627:therapeutic use*; D004338:Drug Combinations; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D004366:Nonprescription Drugs / Q000737:chemistry / Q000627:therapeutic use*
D000700:Analgesics; D004338:Drug Combinations; D004366:Nonprescription Drugs; D002110:Caffeine