Public health 463 Prevention 70 Project management 62 Philosophy 51 Public welfare 46 Physicians 39 Population 35 Portfolio management 35 Primary health care 32 Preventive medicine 27 Pediatrics 26 Personnel management 23 Pascal (Γλώσσα προγραμματισμού) 21 Psychological aspects 21 Patients 20 Periodicals 20 Pharmacology 19 Physician and patient 19 Psychology 17 Psychiatry 16 PL/C (Computer program language) 15 PERT (Ανάλυση δικτύου) 14 Politics and government 14 Pollution 13 Psychoanalysis 12 People with disabilities 11 Python (Γλώσσα προγραμματισμού) 11 Psychotherapy 10 Public health administration 10 Prolog (Γλώσσα προγραμματισμού υπολογιστή) 9 Public health laws 9 PLC 8 PSpice 8 Pathology 8 Perl (Γλώσσα προγραμματισμού υπολογιστή) 8 Physiology 8 Psychology, Industrial 8 Pharmaceutical industry 7 Public administration 7 Pulse code modulation 7 Purification 7 Parallel programming (Επιστήμη υπολογιστή) Συνέδρια 6 Pharmaceutical policy 6 Political science 6 Pregnancy 6 PHP (Γλώσσα προγραμματισμού) 5 PID controllers 5 Pesticides 5 Physiological aspects 5 Problems, exercises, etc 5 Professional ethics 5 Public health personnel 5 Public relations 5 PIC 4 Parent and child 4 Pharmacopoeias 4 Practice 4 Project management Software 4 Psychosomatic aspects 4 Parasites 3 Pediatricians 3 Physiological effect 3 Popular works 3 Poverty 3 Prenatal care 3 Prices 3 Probabilities 3 Product management 3 Production management 3 Psychiatric nursing 3 Psychology, Pathological 3 Public speaking 3 PC-DOS (Λειτουργικό σύστημα υπολογιστή) 2 PL/I (Γλώσσα προγραμματισμού υπολογιστή) 2 PRINCE 2 2 Packet switching (Data transmission) 2 Palliative treatment 2 Papovaviruses 2 Pathophysiology 2 Perinatology 2 Phenomenological psychology 2 Philosophers 2 Philosophy, Marxist 2 Philosophy, Medical 2 Philosophy, Modern 2 Photoshop 5.5 (Προγράμματα υπολογιστή) 2 Physical diagnosis 2 Physical therapy 2 Piaget Jean 2 Pilling (Textiles) 2 Poliomyelitis 2 Political aspects 2 Political prisoners 2 Political sociology 2 Popular culture 2 PostgreSQL 2 Preventive health services 2 Probe (Αρχείο υπολογιστή) 2 Product life cycle Environmental aspects 2 Psychiatric social work 2