English to Russian Medical Medical (general)

Описание лек. препарата:

The efficacy of antimicrobial preservation under different storage conditions was also tested according to Ph. Eur. 5.1.3 – 3: Oral preparations and the addition of benzoic acid at a concentration of 0.085% was demonstrated to provide appropriate protection from adverse effects that may arise from microbial contamination or proliferation during storage and use of the preparation.

Не могу найти в ссылках объяснение: 5.1.3 - это глава Oral preparations или Oral preparations - это том 3?

Запуталась в материале.

Спасибо.