Principal data source is solar wind speed measurements by multi-station IPS observations at 327 MHz.
The principal data source for Bent were Alouette 1 sounder data from a period of low to medium solar activity.
Spatial forest resource survey data of Shunchang County in 2007 were used as the principal data source for the analysis.
The principal data source for this analysis was the PREVA study (clinicaltrials.gov identifier NCT01701245), which compared the effectiveness of nVNS added to SoC with that of SoC alone as prophylactic therapy for cCH.
As most researchers using juridical materials to glean network information from electronic surveillance generated during the investigation, police information is the principal data source.16 Only one study (study Morselli 2001), explores a network built from an autobiography supplemented with investigatory (DEA electronic surveillance) and news reports.
The principal data source for this evaluative population-based study was the Statistics Canada 2003 Canadian Community Health Survey (CCHS) Cycle 2.1.
The principal data source was a random sample of 12,000 patient records drawn from a population of 50,000 during the study period (January 2009 to December 2012).
The principal data source for the measures was a random sample of 12 000 patient records drawn from a population of 50 000 during the study period (January 2009 to December 2012).
However, for the immediate future in most European hospitals, the pharmacy will remain the principal data source for surveillance of use of antibiotics.
The principal data source was a random sample of 12,000 patient records drawn from a population of 50,000 during the study period (January 2009 to December 2012), resulting in 324,000 observations /data points.
National Maternal and Child Mortality Surveillance System (NMCMSS), representing all 31 provinces and covering 60 million people, has been the principal data source for estimating national MMR in China [ 1, 2].
