TY  - GEN
AU  - Chohan , Naina. ;ed.
AU  - Wolfe , Martin S. ;ed.
TI  - The medical clinics of north America vol - 68: travel medicine
U1  - 616.9802 
PY  - 1992///
CY  - Philadelphia
PB  - W.B.Saunders 
KW  - TRAVEL MEDICINE
ER  -