3245137 PHAR Pulmonary Hypertension Association Registry 15 3245134 PHAR passive hemagglutination reaction 6 3245136 PHAR parenchyma to hydronephrosis area ratio 4 3245133 PHAR pharmaceuticals 2 3245130 PHAR polyhydroxyanthracence reductase 2 3245135 PHAR passive haemagglutination reaction 1 3245129 PHAR PHA production bio-reactor 1 3245128 PHAR PHA synthesis reactor 1 3245132 PHAR pharmacotherapy 1 3245131 PHAR pharyngeal nerve 1 3245138 PHAR prehospital assisted respiration 1 3245127 PHAR Public Health Academic Ranking 1