Medical news rings in 1998.
Boivin
J
J
D018712:Analgesics, Non-Narcotic / Q000627:therapeutic use*; D001384:Azetidines / Q000627:therapeutic use*; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D006278:Medicare; D011295:Prenatal Care; D011725:Pyridines / Q000627:therapeutic use*; D014481:United States
C109763:5-(2-azetidinylmethoxy)-2-chloropyridine; D018712:Analgesics, Non-Narcotic; D001384:Azetidines; D011725:Pyridines; D005492:Folic Acid