The phrase "a complementary four" is correct and usable in written English.
It can be used in contexts where you are referring to a group of four items or elements that enhance or complete each other.
Example: "In our discussion about team dynamics, we identified a complementary four that balances skills and perspectives."
Alternatives: "a supportive four" or "a matching four".
The World Bank's role in direct assistance to low-income countries in financing food imports is usually a subsidiary, but complementary, one to that of IMF.
This was highlighted by the establishment of a welfare fraud hotline and a complementary conditionality three months later, in which anyone convicted of welfare fraud would run the risk of being given a lifetime ban from the program.
Of the patients using yoga as a complementary therapy, six men (n = 2) and women (n = 4) attended the same 60-minute restorative yoga class provided three times per week in a private cancer care facility.
The biochips could resolve a mixture of fully complementary five base-pair mismatched targets by the location of binding on the surface.
While these improvements have been complementary two limitations remain.
Given the observed ratio, the most probable explanation is that resistance to race 453 was controlled by three independent resistance genes having a complementary mode of action two-by-two (see Additional file 1 for more detail).
This paper provides a complementary study to two previous papers by Virgin (2017a,b).
To compensate remaining modeling deficiencies, we combine the analytical a priori model with a complementary set of five empirical parameters based on an ECOM-type formulation.
The installation was organized by the Public Art Fund and selected by its director, Tom Eccles, as was a complementary installation of two pieces at the Doris C. Freedman Plaza on the southern end of Central Park at Fifth Avenue.
The ad, for a complementary therapist treating eight patients a week, states: "The therapist will provide Reiki/Spiritual healing to patients to enable them to cope with the emotional, physical and spiritual issues of dealing with their cancer journey.
John Growdon, a neurologist at Massachusetts General Hospital, says that trying to regrow synapses is an innovative strategy and offers a complementary approach to two other lines of attack in treating Alzheimer's: targeting the amyloid plaques that accumulate in patients' brains, and minimizing the damage done by toxic metabolites that build up in Alzheimer's-affected brains.
