Add punctuation: Spain Route Map Flights From Spain
A: Spain Route Map | Flights From Spain

Add punctuation: Books III IV and V treat spherical trigonometry which of course is of major importance in astronomy
A: Books III, IV and V treat spherical trigonometry which, of course, is of major importance in astronomy.

Add punctuation: Vomiting secondary to gastrointestinal or systemic disease
A:
Vomiting secondary to gastrointestinal or systemic disease