1013Qp25 pressure Ferhangi inHg psig EtO HRSGs hPa mbar 0N mmHg intrapleural 14Qp696 lithostatic Qdg atomiser mQpp oncotic transpirational intrathoracic counterlung millibars BaF2 Facies Parascylliidae recrystallised barometric transtentorial intracranial PQpSQpI supralateral intraocular