3248645 PHOs Primary Health Organisations 22 3248643 PHOs physician-hospital organizations 18 3248652 PHOs partially hydrogenated oils 14 3248638 PHOs pediatric hematologist/oncologists 6 3248646 PHOs Public Health Operators 3 3248649 PHOs provincial health offices 2 3248650 PHOs public health officials 2 3248651 PHOs partial hydrogenation of vegetable oils 1 3248642 PHOs phomopsins 1 3248644 PHOs pituitary-hypothalamic organoids 1 3248639 PHOs polyheterocycle organics 1 3248640 PHOs potentially hazardous objects 1 3248641 PHOs primary health care organisations 1 3248633 PHOs primary hip operations 1 3248634 PHOs protein-hydrolysing organisms 1 3248637 PHOs provincial housestaff organizations 1 3248647 PHOs Public Health Officers 1 3248635 PHOs public health organizations 1 3248648 PHOs Public Healthcare Organisations 1 3248636 PHOs public-health orders 1