eiru_study_features/views/res_partner.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <act_window
            id="action_open_study_feature"
            name="Estudios"
            res_model="study.feature"
            view_type="form"
            view_mode="tree,form"
            domain="[('partner_id', '=', active_id)]"/>

        <record id="res_partner_study_feature_form" model="ir.ui.view">
            <field name="name">res.partner.study.feature.form</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <field name="category_id" position="after">
                    <field name="is_medic" class="oe_inline" attrs="{'invisible': [('is_company','=', True)]}"/><label for="is_medic" string="¿Es un Medico?" attrs="{'invisible': [('is_company','=', True)]}"/>
                </field>
                <field name="title" position="after">
                     <field name="medic" attrs="{'invisible': [('is_medic','=', True)],'required': [('is_medic','=', False)]}"/>
                </field>
                <div name="buttons" position="after">
                    <div class="oe_right oe_button_box">
                        <button
                            class="oe_inline oe_stat_button"
                            type="action"
                            name="%(action_open_study_feature)d"
                            icon="fas fa-stethoscope"
                            attrs="{'invisible': [('customer', '=', False)]}"
                            context="{'default_partner_id': id}">
                            <field name="study_feature_count" string="Estudios" widget="statinfo" />
                        </button>
                    </div>
                </div>
            </field>
        </record>
    </data>
</openerp>