1 Subjects: “...premature infants...”

2 Subjects: “...infant...”

3 Subjects: “...infant care...”

4 Subjects: “...; Reception class; Infant development; Early childhood education; School pedagogics; Teaching; Apprenticeship...”

5 Subjects: “...communicative abilities in infants...”

6 Subjects: “...infant nutrition...”

7 Subjects: “...infant isolation calls...”

8 Subjects: “...infant health...”

9 Subjects: “...infants...”

10 Subjects: “...infant screening...”

11 Subjects: “...infant screening...”

12 Subjects: “...consciousness in infants...”

13 Subjects: “...infant...”

14 Subjects: “...infants...”

15 Subjects: “...infants...”