Second, evaluation of validity was made difficult because clinical decision-making style is a specific concept, making identification of comparator scales problematic.
Some damaging pests feed at night, making identification pretty difficult.
The remains were mixed up in the transfer, Mr. Hurtic said, making identification difficult.
The bodies of many other prisoners had been incinerated, making identification nearly impossible.
If the contents stay in their stomachs for too long, they will get digested, making identification difficult.
Nothing like that had been done with forest elephants, and the couple started making identification cards for each one they encountered.
There are dozens of militias operating along the Libyan coast, as well as special forces from several European countries including the UK, making identification difficult.
Inspector Cutter, saying the suspect looked somewhat different in each, suggested that his appearance seemed to change, making identification more difficult.
Sites from other countries provide limited information, he added, and a similar German site includes no photographs of paintings, making identification difficult.
Their bodies are gelatinous and are famously versatile, allowing them to change in colour, texture and overall shape, making identification of living octopuses from morphology alone very difficult.
Some bodies were so charred that officials were having trouble making identification and planned to use DNA samples and other methods.
