ค่ายไหนที่มีผลพวงด้านสาธารณสุขอันมหาศาล
Những trại nào có ý nghĩa to lớn đối với sức khỏe cộng đồng?
อย่างน้อยหนึ่งค่ายก็มีผลกระทบต่อสุขภาพของประชาชน
Ít nhất một trại đang có tác động đến sức khỏe cộng đồng.