The only reliable way to catch drug cheaters, according to scientists, is to have year-round, random, unannounced testing.
But it is the only reliable way to avoid falling prey to banks' conflicts of interest – or being sold something even the bank staff don't understand.
The only reliable way to effect this is to use fully electronic control of both the pilot fuel injection and the gas admission on every cylinder head.
In the old days, the only reliable way to intercept signs was to have a runner on second base who could look at which signs the pitcher was getting and try to relay them to the batter.
What came next was just as scary: The only reliable way to avoid cancer was to remove my healthy breasts and reproductive organs.
The only reliable way to tell the difference is to take samples from the burn patterns and test them in a laboratory for the presence of flammable or combustible liquids.
If, as The Economist points out, "The only reliable way to produce more food is to use better technology," then unprecedented opportunities for useful agricultural research and extension programs should be plentiful.
The only reliable way to measure prescribing practices is to analyse the actual process in detail.
In general, the only reliable approach to overcoming ecological bias is to collect and analyze patient-level data [ 22].
However, the only reliable method to determine pill content is to have a pill tested in a laboratory.
