Sentence examples for keywords were from inspiring English sources

Rebecca then noted how many times each of keywords were used and where in the text they first appeared.

All titles and abstracts that met our keywords were examined.

These keywords were used both independently and in combinations.

The effective keywords were: "groundwater*", "ground water*" and "water ground".

Both sets of keywords were used in previous work.

Several keywords were used and are listed in Table 1.

However, the most keywords were used from 2000 to 2015.

The growth and preferential attachment mechanism of keywords were the driving force of the evolving RTS.

Keywords were selected by following PICO (Patient, Intervention, Comparison, Outcome) principle [18].

Keywords were searched as free text in the title, abstract, and subject heading.

The following search keywords were used: 'victimization' and 'cybercrime' and 'survey'survey