Whale watching is a popular and economically important tourism activity that generates at least $1 billion in annual revenue worldwide (e.g., tours, accommodation, souvenirs) (Hoyt, 2001). Each yea...
No takes yet. Share an insight, caveat, or question.
Christensen et al. (2007) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: