TY - GEN AU - VELLA,E E TI - Cholera vaccines and the E1 Tor vibrio SN - 0007-1447 PY - 1998///1101 KW - Cholera KW - Cholera Vaccines KW - Humans KW - Vaccines KW - Vibrio N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.1.5339.1203 ER -