21.   These duties are discussed fully in detail in the following chapters.

22.   This is covered in detail in the following chapters.

23.   We describe some of these variations in the following chapters.

24.   We leave the more recent research which has challenged their findings to the following chapter.

25.   We propose to deal with this subject in the following chapter.

26.   The method of helping such patients is explained in the following chapters.

27.   This idea will be examined more closely in the following chapter.

28.   The following chapters have two main purposes.

29.   Ethnicity is given more extended treatment in the following chapters.

30.   Stoichiometry is dealt with in detail in the following chapter.