TY - GEN AU - Leitmeyer,Katrin AU - Rico-Hesse,Rebeca TI - Viral evolution and epidemiology SN - 1473-6527 PY - 1997/// PB - Current opinion in infectious diseases N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00001432-199710000-00008 ER -