"safe combination" is a correct and usable phrase in written English.
It refers to the sequence of numbers or letters that must be entered in order to open a safe. Example: "I couldn't remember the safe combination, so I had to call the locksmith to reset it."
Early data also suggested that cetuximab combined with FOLFOX is an active and safe combination in the first-line treatment of CRC (Polikoff et al, 2005).
Apples and bacon seemed a safe combination.
But the research didn't end with determining an effective and safe combination of drugs.
"He was able to recommend a safe combination of drugs at the right doses.
Our results showed that a doxycycline-chloroquine combination could be a safe combination for malaria chemoprophylaxis.
Docetaxel/estramustine/trastuzumab appears to be a safe combination when used in the treatment of metastatic AIPC.
For example, employees sometimes leave confidential documents unattended on their desks, fail to change safe combinations frequently enough, and lose track of agency computers, the reports say.
This study concluded with a definition of a critical "coating parameter" which can be used to assess safe combinations of coating thickness and installation loads, thus preventing excessive strain concentration.
Yet if safe combinations of bubbles and ultrasound can be found, blowing bubbles at diseases could be a clever way to tackle problems where they arise, rather than subjecting the whole of a patient's body to treatments it does not need.
So he's preparing a list for his heirs, including his accounts, safe combinations, even computer passwords.
Other countries, such as Canada, have strict gun storage laws which prevent guns and ammunition from being stored together, and which require gun owners to keep gun safe combinations secret from anyone else and any keys on their person at all times.
