The Board may conduct a school of instruction for health officers at such times and places as it directs. It may issue a periodical giving the results of the work done at the laboratory and the approved methods for the protection of the public health, and such publications shall be furnished free to health officers and residents of the State. (Amended 1959, No. 329 (Adj. Sess.), § 27, eff. March 1, 1961.)