Both hydraulic conductivity (HC) and cumulative infiltration (F t)) were decreased significantly with TWW use and period of application.
Although discrepancy varied by race, smoking, alcohol use and period of recall, only period of recall was statistically significant.
Here we should note that the period of MMNP use and period of diarrhea (past 15 days) may or may not overlap.
They recommend taking a detailed substance abuse history, including current and lifetime substance use and periods of greatest severity.
We examined duration of treatment as a time varying exposure based on time since starting antidepressant treatment and time since stopping treatment categorised for each antidepressant class as no use, 1-28 days' use, 29-84 days' use, and 85 or more days' use and periods of 1-28 days, 29-84 days, and 85-182 dafterfter stopping treatment.
These deviations might be contributed to differences in animal models, used drugs, and period of drug administration.
Second, this is a retrospective study with a heterogeneous range of techniques used and periods of follow-up.
Predictors of PI resistance were gender, risk factor, viral load at failure, previous virological failures, number of previous antiretroviral regimens, prior exposure to suboptimal NRTI therapy, use of TA and period of study.
Items ask about age of first use, frequency of use, period of use, and time since last use.
If participants used multiple types of opium, or if they used opium intermittently, data were recorded separately for each type and period of use.
Compared to heterosexuals, more gays/lesbians and bisexuals reported current smoking, lifetime history of drug use, lifetime history of marijuana use, and lifetime period of risky drinking.
