El. Kanabrocki et al., WEEKLY AND YEARLY RHYTHMS IN PLASMA-FIBRINOGEN IN HOSPITALIZED MALE MILITARY VETERANS, The American journal of cardiology, 76(8), 1995, pp. 628
Plasma fibrinogen values (n = 4,133) of hospitalized military veterans
ranging in age from 20 to 100 years, and covering a span of 7 years,
were examined for possible presence of weekly or yearly patterns. High
est levels found at or near the weekend (Saturday to Monday) and durin
g the late spring months coincided with published reports on increases
in morbidity and mortality in subjects with cardiovascular and cerebr
ovascular disorders.