Fix pharmaco. value handling and vaildations

src/locales/en.ts

@@ -99,6 +99,11 @@ export const en = {
   errorTimeRequired: "Please enter a valid time.",
   warningDuplicateTime: "Multiple doses at same time.",
   warningZeroDose: "Zero dose has no effect on simulation.",
+  halfLifeRequired: "Half-life is required.",
+  conversionHalfLifeRequired: "Conversion half-life is required.",
+  absorptionRateRequired: "Absorption rate is required.",
+  therapeuticRangeMinRequired: "Minimum therapeutic range is required.",
+  therapeuticRangeMaxRequired: "Maximum therapeutic range is required.",
 
   // Time picker
   timePickerHour: "Hour",