Combined clinical and virological surveillance of influenza in winters of 1992 and 1993-4

Douglas Fleming, P. Chakraverty, P.A. Litton

BMJ · 1995 · 57 citations · 3 references

Concepts

Abstract

VI 5 0 0 5 10 15 Time (weeks) Patern of stair use among men and women during study.Values are

References

3