Travelers' diarrhea in panamanian tourists in Mexico.
Ryder RW, Oquist CA, Greenberg H, Taylor DN, Orskov F, Orskov I, Kapikian AZ, Sack RB.
Ryder RW, et al. Among authors: orskov i, orskov f.
J Infect Dis. 1981 Nov;144(5):442-8. doi: 10.1093/infdis/144.5.442.
J Infect Dis. 1981.
PMID: 6273474