"medical knowhow" is correct and usable in written English.
You can use it to refer to the knowledge, experience, and skill in the medical field. For example, "The doctor's medical knowhow was impressive."
My demonstrated ability to partner with nurses and other healthcare staff to provide the patient's required medical care and the knowhow of assisting residents with their daily healthcare, individual needs, safety and comfort make me the perfect candidate for this job.
13 Lack of knowhow about disease management and easily accessible medications might be the explanation of such prescribing behavior.
I don't knowhow you do it.
Parents with knowhow and money still win.
"You knowhow it all comes about.
"We give them the technical knowhow.
The knowhow currently exists to allow doctors to supervise operations from thousands of miles away, to send X-rays and CAT scans back and forth electronically, and to keep both themselves and their patients abreast of the latest medical discoveries via the Internet.
He'd gain the knowhow in opposition anyway".
