The phrase "and dispensed by a" is correct and usable in written English.
It can be used in contexts where you are describing something that is distributed or provided by a specific source or entity.
Example: "The medication is available at the pharmacy and dispensed by a licensed pharmacist."
Alternatives: "and provided by a" or "and issued by a".
The drug had been relabeled, stored in the back of a strip club and ultimately resold to a national wholesaler and dispensed by a pharmacy.
The film was made on a budget of £250,000, pulled together from various sources and dispensed by a committee organised under the flag of Liverpool's year as European City of Culture.
The prescriptions can then be downloaded and dispensed by a pharmacy chosen by the patient.
Prescriptions on the Spine can be downloaded and dispensed by a pharmacy – nominated by the patient [ 1- 3].
The observation unit was one drug prescribed to an insured patient by a physician and dispensed by a pharmacist.
Prescribing volume data are calculated from prescriptions issued in primary care and dispensed by a pharmacist or dispensing surgery.
To minimize contralateral acoustic stimulation, the outer ear canal of the right ear was filled with condensation-vulcanizing silicone mixed with hardener paste (Otoform A flex, in double cartridges; Dreve Otoplastik, Unna, Germany) delivered through a mixing canulas (diameter 5.4 mm) and dispensed by an injector (DS50; Dreve Otoplastik).
Cells were trypsinised, counted and dispensed by the robotics into a 96-well cell culture plate, at a cell density of 1.9 × 10 cells per well.
All prescriptions issued by a physician and dispensed by pharmacies are coded and put into a database that is specific to each agency.
The register covers all drugs sold and dispensed by prescription at Swedish pharmacies to patients with a personal identification number.
To determine the level of weight uniformity of fragments from tablets split into halves and dispensed by pharmacists.
