Prices can vary quite drastically among vet clinics in Singapore. Should there be oversight on how prices are set or let the market - and owners - decide what's best? Some pet owners have had to pay five-figure sums when their pets fall seriously ill. Is the current system in need of greater scrutiny and regulation? Steven Chia and Crispina Robert speak to Diana Chee, director at the Animal & Veterinary Service (AVS) and Angeline Yang, a veterinarian and owner of VetMobile. Here's an excerpt