S method, which was created by Kato Shokichi (Japan), the event on the critical path should be done first.
通常流行的日本加藤昭吉的K·S法，主张关键工序先进行。
2
Methods to examine helminth eggs with Kato-Katz, and examine pinworm eggs with anal swab method for children under12years, then do statistics and analysis for the results.